Home / 22,222,572.78-30,668,341.47-12,432,432.93

Finding the Fourth Proportional to 22,222,572.78, 30,668,341.47 and 12,432,432.93

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Solution

The fourth proportional to 22,222,572.78, 30,668,341.47 and 12,432,432.93 is: 17,157,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222,572.78 : 30,668,341.47 = 12,432,432.93 : x
  2. Step 2: Convert to fraction form
    22,222,572.78/30,668,341.47 = 12,432,432.93/x
  3. Step 3: Cross multiply
    22,222,572.78x = 30,668,341.47 × 12,432,432.93
  4. Step 4: Simplify right side
    22,222,572.78x = 381,282,098,400,112.56
  5. Step 5: Solve for x
    x = 381,282,098,400,112.56/22,222,572.78
  6. Step 6: Final answer
    x = 17,157,423.77

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1.5x scale

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.