Home / 15,585,945.46-21,509,268.98-8,710,427.32

Finding the Fourth Proportional to 15,585,945.46, 21,509,268.98 and 8,710,427.32

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Solution

The fourth proportional to 15,585,945.46, 21,509,268.98 and 8,710,427.32 is: 12,020,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,945.46 : 21,509,268.98 = 8,710,427.32 : x
  2. Step 2: Convert to fraction form
    15,585,945.46/21,509,268.98 = 8,710,427.32/x
  3. Step 3: Cross multiply
    15,585,945.46x = 21,509,268.98 × 8,710,427.32
  4. Step 4: Simplify right side
    15,585,945.46x = 187,354,924,156,620.53
  5. Step 5: Solve for x
    x = 187,354,924,156,620.53/15,585,945.46
  6. Step 6: Final answer
    x = 12,020,760.92

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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.