Home / 28,144,981.08-38,840,148.54-15,267,925.08

Finding the Fourth Proportional to 28,144,981.08, 38,840,148.54 and 15,267,925.08

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Solution

The fourth proportional to 28,144,981.08, 38,840,148.54 and 15,267,925.08 is: 21,069,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144,981.08 : 38,840,148.54 = 15,267,925.08 : x
  2. Step 2: Convert to fraction form
    28,144,981.08/38,840,148.54 = 15,267,925.08/x
  3. Step 3: Cross multiply
    28,144,981.08x = 38,840,148.54 × 15,267,925.08
  4. Step 4: Simplify right side
    28,144,981.08x = 593,008,478,004,791.38
  5. Step 5: Solve for x
    x = 593,008,478,004,791.38/28,144,981.08
  6. Step 6: Final answer
    x = 21,069,777.11

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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.