Home / 28,684,470.64-39,583,417.70-15,631,451.36

Finding the Fourth Proportional to 28,684,470.64, 39,583,417.70 and 15,631,451.36

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Solution

The fourth proportional to 28,684,470.64, 39,583,417.70 and 15,631,451.36 is: 21,570,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684,470.64 : 39,583,417.70 = 15,631,451.36 : x
  2. Step 2: Convert to fraction form
    28,684,470.64/39,583,417.70 = 15,631,451.36/x
  3. Step 3: Cross multiply
    28,684,470.64x = 39,583,417.70 × 15,631,451.36
  4. Step 4: Simplify right side
    28,684,470.64x = 618,746,268,440,113.12
  5. Step 5: Solve for x
    x = 618,746,268,440,113.12/28,684,470.64
  6. Step 6: Final answer
    x = 21,570,775.22

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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.