Home / 38,924,401.08-53,714,726.70-21,520,298.04

Finding the Fourth Proportional to 38,924,401.08, 53,714,726.70 and 21,520,298.04

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Solution

The fourth proportional to 38,924,401.08, 53,714,726.70 and 21,520,298.04 is: 29,697,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924,401.08 : 53,714,726.70 = 21,520,298.04 : x
  2. Step 2: Convert to fraction form
    38,924,401.08/53,714,726.70 = 21,520,298.04/x
  3. Step 3: Cross multiply
    38,924,401.08x = 53,714,726.70 × 21,520,298.04
  4. Step 4: Simplify right side
    38,924,401.08x = 1,155,956,927,721,145.75
  5. Step 5: Solve for x
    x = 1,155,956,927,721,145.75/38,924,401.08
  6. Step 6: Final answer
    x = 29,697,487.84

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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.