Home / 8,155,869.45-11,255,817-4,485,432.81

Finding the Fourth Proportional to 8,155,869.45, 11,255,817 and 4,485,432.81

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Solution

The fourth proportional to 8,155,869.45, 11,255,817 and 4,485,432.81 is: 6,190,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,869.45 : 11,255,817 = 4,485,432.81 : x
  2. Step 2: Convert to fraction form
    8,155,869.45/11,255,817 = 4,485,432.81/x
  3. Step 3: Cross multiply
    8,155,869.45x = 11,255,817 × 4,485,432.81
  4. Step 4: Simplify right side
    8,155,869.45x = 50,487,210,875,155.77
  5. Step 5: Solve for x
    x = 50,487,210,875,155.77/8,155,869.45
  6. Step 6: Final answer
    x = 6,190,291.69

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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.