Home / 22,712,443.84-31,343,013.05-12,399,166.94

Finding the Fourth Proportional to 22,712,443.84, 31,343,013.05 and 12,399,166.94

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Solution

The fourth proportional to 22,712,443.84, 31,343,013.05 and 12,399,166.94 is: 17,110,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712,443.84 : 31,343,013.05 = 12,399,166.94 : x
  2. Step 2: Convert to fraction form
    22,712,443.84/31,343,013.05 = 12,399,166.94/x
  3. Step 3: Cross multiply
    22,712,443.84x = 31,343,013.05 × 12,399,166.94
  4. Step 4: Simplify right side
    22,712,443.84x = 388,627,251,095,437.06
  5. Step 5: Solve for x
    x = 388,627,251,095,437.06/22,712,443.84
  6. Step 6: Final answer
    x = 17,110,763.32

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1.5x scale

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.