Home / 38,436,039.46-53,041,733.91-21,032,384.17

Finding the Fourth Proportional to 38,436,039.46, 53,041,733.91 and 21,032,384.17

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Solution

The fourth proportional to 38,436,039.46, 53,041,733.91 and 21,032,384.17 is: 29,024,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,039.46 : 53,041,733.91 = 21,032,384.17 : x
  2. Step 2: Convert to fraction form
    38,436,039.46/53,041,733.91 = 21,032,384.17/x
  3. Step 3: Cross multiply
    38,436,039.46x = 53,041,733.91 × 21,032,384.17
  4. Step 4: Simplify right side
    38,436,039.46x = 1,115,594,124,638,036.25
  5. Step 5: Solve for x
    x = 1,115,594,124,638,036.25/38,436,039.46
  6. Step 6: Final answer
    x = 29,024,689.86

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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.