Home / 45,706,756.78-68,564,120.98-12,917,670.28

Finding the Fourth Proportional to 45,706,756.78, 68,564,120.98 and 12,917,670.28

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Solution

The fourth proportional to 45,706,756.78, 68,564,120.98 and 12,917,670.28 is: 19,377,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706,756.78 : 68,564,120.98 = 12,917,670.28 : x
  2. Step 2: Convert to fraction form
    45,706,756.78/68,564,120.98 = 12,917,670.28/x
  3. Step 3: Cross multiply
    45,706,756.78x = 68,564,120.98 × 12,917,670.28
  4. Step 4: Simplify right side
    45,706,756.78x = 885,688,707,857,670.50
  5. Step 5: Solve for x
    x = 885,688,707,857,670.50/45,706,756.78
  6. Step 6: Final answer
    x = 19,377,631.89

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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.