Home / 12,721,343.08-19,033,863-7,536,737.20

Finding the Fourth Proportional to 12,721,343.08, 19,033,863 and 7,536,737.20

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Solution

The fourth proportional to 12,721,343.08, 19,033,863 and 7,536,737.20 is: 11,276,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721,343.08 : 19,033,863 = 7,536,737.20 : x
  2. Step 2: Convert to fraction form
    12,721,343.08/19,033,863 = 7,536,737.20/x
  3. Step 3: Cross multiply
    12,721,343.08x = 19,033,863 × 7,536,737.20
  4. Step 4: Simplify right side
    12,721,343.08x = 143,453,223,331,803.59
  5. Step 5: Solve for x
    x = 143,453,223,331,803.59/12,721,343.08
  6. Step 6: Final answer
    x = 11,276,578.46

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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.