Home / 7,320,225.30-10,980,337.95-5,430,657.30

Finding the Fourth Proportional to 7,320,225.30, 10,980,337.95 and 5,430,657.30

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Solution

The fourth proportional to 7,320,225.30, 10,980,337.95 and 5,430,657.30 is: 8,145,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,225.30 : 10,980,337.95 = 5,430,657.30 : x
  2. Step 2: Convert to fraction form
    7,320,225.30/10,980,337.95 = 5,430,657.30/x
  3. Step 3: Cross multiply
    7,320,225.30x = 10,980,337.95 × 5,430,657.30
  4. Step 4: Simplify right side
    7,320,225.30x = 59,630,452,444,634.53
  5. Step 5: Solve for x
    x = 59,630,452,444,634.53/7,320,225.30
  6. Step 6: Final answer
    x = 8,145,985.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.