Home / 21,323,869.52-29,430,728.52-12,626,870.48

Finding the Fourth Proportional to 21,323,869.52, 29,430,728.52 and 12,626,870.48

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Solution

The fourth proportional to 21,323,869.52, 29,430,728.52 and 12,626,870.48 is: 17,427,324.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,869.52 : 29,430,728.52 = 12,626,870.48 : x
  2. Step 2: Convert to fraction form
    21,323,869.52/29,430,728.52 = 12,626,870.48/x
  3. Step 3: Cross multiply
    21,323,869.52x = 29,430,728.52 × 12,626,870.48
  4. Step 4: Simplify right side
    21,323,869.52x = 371,617,997,154,082.12
  5. Step 5: Solve for x
    x = 371,617,997,154,082.12/21,323,869.52
  6. Step 6: Final answer
    x = 17,427,324.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.