Home / 12,946,148.40-19,423,888.20-5,378,545.20

Finding the Fourth Proportional to 12,946,148.40, 19,423,888.20 and 5,378,545.20

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Solution

The fourth proportional to 12,946,148.40, 19,423,888.20 and 5,378,545.20 is: 8,069,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,148.40 : 19,423,888.20 = 5,378,545.20 : x
  2. Step 2: Convert to fraction form
    12,946,148.40/19,423,888.20 = 5,378,545.20/x
  3. Step 3: Cross multiply
    12,946,148.40x = 19,423,888.20 × 5,378,545.20
  4. Step 4: Simplify right side
    12,946,148.40x = 104,472,260,643,446.64
  5. Step 5: Solve for x
    x = 104,472,260,643,446.64/12,946,148.40
  6. Step 6: Final answer
    x = 8,069,756.15

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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.