Home / 13,069,458.40-19,594,856.40-7,391,423.20

Finding the Fourth Proportional to 13,069,458.40, 19,594,856.40 and 7,391,423.20

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Solution

The fourth proportional to 13,069,458.40, 19,594,856.40 and 7,391,423.20 is: 11,081,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,458.40 : 19,594,856.40 = 7,391,423.20 : x
  2. Step 2: Convert to fraction form
    13,069,458.40/19,594,856.40 = 7,391,423.20/x
  3. Step 3: Cross multiply
    13,069,458.40x = 19,594,856.40 × 7,391,423.20
  4. Step 4: Simplify right side
    13,069,458.40x = 144,833,876,195,628.47
  5. Step 5: Solve for x
    x = 144,833,876,195,628.47/13,069,458.40
  6. Step 6: Final answer
    x = 11,081,857.55

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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.