Home / 21,872,111.80-32,808,167.70-9,117,527.80

Finding the Fourth Proportional to 21,872,111.80, 32,808,167.70 and 9,117,527.80

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Solution

The fourth proportional to 21,872,111.80, 32,808,167.70 and 9,117,527.80 is: 13,676,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,872,111.80 : 32,808,167.70 = 9,117,527.80 : x
  2. Step 2: Convert to fraction form
    21,872,111.80/32,808,167.70 = 9,117,527.80/x
  3. Step 3: Cross multiply
    21,872,111.80x = 32,808,167.70 × 9,117,527.80
  4. Step 4: Simplify right side
    21,872,111.80x = 299,129,381,071,812.06
  5. Step 5: Solve for x
    x = 299,129,381,071,812.06/21,872,111.80
  6. Step 6: Final answer
    x = 13,676,291.70

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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.