Home / 23,116,138.02-31,900,481.10-12,803,062.50

Finding the Fourth Proportional to 23,116,138.02, 31,900,481.10 and 12,803,062.50

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Solution

The fourth proportional to 23,116,138.02, 31,900,481.10 and 12,803,062.50 is: 17,668,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116,138.02 : 31,900,481.10 = 12,803,062.50 : x
  2. Step 2: Convert to fraction form
    23,116,138.02/31,900,481.10 = 12,803,062.50/x
  3. Step 3: Cross multiply
    23,116,138.02x = 31,900,481.10 × 12,803,062.50
  4. Step 4: Simplify right side
    23,116,138.02x = 408,423,853,303,368.75
  5. Step 5: Solve for x
    x = 408,423,853,303,368.75/23,116,138.02
  6. Step 6: Final answer
    x = 17,668,342.91

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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.