Home / 23,130,139.15-31,919,592.02-12,816,862.24

Finding the Fourth Proportional to 23,130,139.15, 31,919,592.02 and 12,816,862.24

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Solution

The fourth proportional to 23,130,139.15, 31,919,592.02 and 12,816,862.24 is: 17,687,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,139.15 : 31,919,592.02 = 12,816,862.24 : x
  2. Step 2: Convert to fraction form
    23,130,139.15/31,919,592.02 = 12,816,862.24/x
  3. Step 3: Cross multiply
    23,130,139.15x = 31,919,592.02 × 12,816,862.24
  4. Step 4: Simplify right side
    23,130,139.15x = 409,109,013,809,242.62
  5. Step 5: Solve for x
    x = 409,109,013,809,242.62/23,130,139.15
  6. Step 6: Final answer
    x = 17,687,269.89

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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.