Home / 21,359,055.60-32,129,502.48-19,361,389.68

Finding the Fourth Proportional to 21,359,055.60, 32,129,502.48 and 19,361,389.68

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Solution

The fourth proportional to 21,359,055.60, 32,129,502.48 and 19,361,389.68 is: 29,124,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,055.60 : 32,129,502.48 = 19,361,389.68 : x
  2. Step 2: Convert to fraction form
    21,359,055.60/32,129,502.48 = 19,361,389.68/x
  3. Step 3: Cross multiply
    21,359,055.60x = 32,129,502.48 × 19,361,389.68
  4. Step 4: Simplify right side
    21,359,055.60x = 622,071,817,739,806.38
  5. Step 5: Solve for x
    x = 622,071,817,739,806.38/21,359,055.60
  6. Step 6: Final answer
    x = 29,124,500.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.