Home / 38,703,312.60-58,061,112.90-13,146,730.20

Finding the Fourth Proportional to 38,703,312.60, 58,061,112.90 and 13,146,730.20

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Solution

The fourth proportional to 38,703,312.60, 58,061,112.90 and 13,146,730.20 is: 19,722,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703,312.60 : 58,061,112.90 = 13,146,730.20 : x
  2. Step 2: Convert to fraction form
    38,703,312.60/58,061,112.90 = 13,146,730.20/x
  3. Step 3: Cross multiply
    38,703,312.60x = 58,061,112.90 × 13,146,730.20
  4. Step 4: Simplify right side
    38,703,312.60x = 763,313,786,408,039.50
  5. Step 5: Solve for x
    x = 763,313,786,408,039.50/38,703,312.60
  6. Step 6: Final answer
    x = 19,722,182.29

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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.