Home / 21,537,527.60-29,721,880.50-11,748,185.12

Finding the Fourth Proportional to 21,537,527.60, 29,721,880.50 and 11,748,185.12

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Solution

The fourth proportional to 21,537,527.60, 29,721,880.50 and 11,748,185.12 is: 16,212,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,527.60 : 29,721,880.50 = 11,748,185.12 : x
  2. Step 2: Convert to fraction form
    21,537,527.60/29,721,880.50 = 11,748,185.12/x
  3. Step 3: Cross multiply
    21,537,527.60x = 29,721,880.50 × 11,748,185.12
  4. Step 4: Simplify right side
    21,537,527.60x = 349,178,154,302,822.88
  5. Step 5: Solve for x
    x = 349,178,154,302,822.88/21,537,527.60
  6. Step 6: Final answer
    x = 16,212,545.88

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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.