Home / 22,702,823.61-31,329,887.95-12,389,546.70

Finding the Fourth Proportional to 22,702,823.61, 31,329,887.95 and 12,389,546.70

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Solution

The fourth proportional to 22,702,823.61, 31,329,887.95 and 12,389,546.70 is: 17,097,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,702,823.61 : 31,329,887.95 = 12,389,546.70 : x
  2. Step 2: Convert to fraction form
    22,702,823.61/31,329,887.95 = 12,389,546.70/x
  3. Step 3: Cross multiply
    22,702,823.61x = 31,329,887.95 × 12,389,546.70
  4. Step 4: Simplify right side
    22,702,823.61x = 388,163,109,862,292.25
  5. Step 5: Solve for x
    x = 388,163,109,862,292.25/22,702,823.61
  6. Step 6: Final answer
    x = 17,097,569.74

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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.