Home / 21,561,023.60-32,341,535.40-21,135,870.80

Finding the Fourth Proportional to 21,561,023.60, 32,341,535.40 and 21,135,870.80

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Solution

The fourth proportional to 21,561,023.60, 32,341,535.40 and 21,135,870.80 is: 31,703,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561,023.60 : 32,341,535.40 = 21,135,870.80 : x
  2. Step 2: Convert to fraction form
    21,561,023.60/32,341,535.40 = 21,135,870.80/x
  3. Step 3: Cross multiply
    21,561,023.60x = 32,341,535.40 × 21,135,870.80
  4. Step 4: Simplify right side
    21,561,023.60x = 683,566,513,688,026.38
  5. Step 5: Solve for x
    x = 683,566,513,688,026.38/21,561,023.60
  6. Step 6: Final answer
    x = 31,703,806.20

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1.5x scale

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.