Home / 19,528,844.16-29,299,778.06-12,989,334

Finding the Fourth Proportional to 19,528,844.16, 29,299,778.06 and 12,989,334

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Solution

The fourth proportional to 19,528,844.16, 29,299,778.06 and 12,989,334 is: 19,488,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528,844.16 : 29,299,778.06 = 12,989,334 : x
  2. Step 2: Convert to fraction form
    19,528,844.16/29,299,778.06 = 12,989,334/x
  3. Step 3: Cross multiply
    19,528,844.16x = 29,299,778.06 × 12,989,334
  4. Step 4: Simplify right side
    19,528,844.16x = 380,584,603,282,265.38
  5. Step 5: Solve for x
    x = 380,584,603,282,265.38/19,528,844.16
  6. Step 6: Final answer
    x = 19,488,332.24

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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.