Home / 8,788,612.39-12,128,382.11-4,868,428.56

Finding the Fourth Proportional to 8,788,612.39, 12,128,382.11 and 4,868,428.56

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Solution

The fourth proportional to 8,788,612.39, 12,128,382.11 and 4,868,428.56 is: 6,718,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,612.39 : 12,128,382.11 = 4,868,428.56 : x
  2. Step 2: Convert to fraction form
    8,788,612.39/12,128,382.11 = 4,868,428.56/x
  3. Step 3: Cross multiply
    8,788,612.39x = 12,128,382.11 × 4,868,428.56
  4. Step 4: Simplify right side
    8,788,612.39x = 59,046,161,817,606.71
  5. Step 5: Solve for x
    x = 59,046,161,817,606.71/8,788,612.39
  6. Step 6: Final answer
    x = 6,718,485.15

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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.