Home / 13,191,920.70-19,787,881.05-10,924,439.10

Finding the Fourth Proportional to 13,191,920.70, 19,787,881.05 and 10,924,439.10

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Solution

The fourth proportional to 13,191,920.70, 19,787,881.05 and 10,924,439.10 is: 16,386,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,920.70 : 19,787,881.05 = 10,924,439.10 : x
  2. Step 2: Convert to fraction form
    13,191,920.70/19,787,881.05 = 10,924,439.10/x
  3. Step 3: Cross multiply
    13,191,920.70x = 19,787,881.05 × 10,924,439.10
  4. Step 4: Simplify right side
    13,191,920.70x = 216,171,501,448,769.06
  5. Step 5: Solve for x
    x = 216,171,501,448,769.06/13,191,920.70
  6. Step 6: Final answer
    x = 16,386,658.65

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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.