Home / 7,869,345.76-10,860,160-4,814,145.60

Finding the Fourth Proportional to 7,869,345.76, 10,860,160 and 4,814,145.60

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Solution

The fourth proportional to 7,869,345.76, 10,860,160 and 4,814,145.60 is: 6,643,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,345.76 : 10,860,160 = 4,814,145.60 : x
  2. Step 2: Convert to fraction form
    7,869,345.76/10,860,160 = 4,814,145.60/x
  3. Step 3: Cross multiply
    7,869,345.76x = 10,860,160 × 4,814,145.60
  4. Step 4: Simplify right side
    7,869,345.76x = 52,282,391,479,295.99
  5. Step 5: Solve for x
    x = 52,282,391,479,295.99/7,869,345.76
  6. Step 6: Final answer
    x = 6,643,804.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.