Home / 38,029,862.70-52,482,398.55-21,509,664

Finding the Fourth Proportional to 38,029,862.70, 52,482,398.55 and 21,509,664

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Solution

The fourth proportional to 38,029,862.70, 52,482,398.55 and 21,509,664 is: 29,684,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,029,862.70 : 52,482,398.55 = 21,509,664 : x
  2. Step 2: Convert to fraction form
    38,029,862.70/52,482,398.55 = 21,509,664/x
  3. Step 3: Cross multiply
    38,029,862.70x = 52,482,398.55 × 21,509,664
  4. Step 4: Simplify right side
    38,029,862.70x = 1,128,878,758,724,587.25
  5. Step 5: Solve for x
    x = 1,128,878,758,724,587.25/38,029,862.70
  6. Step 6: Final answer
    x = 29,684,008.27

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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.