Home / 23,118,073.91-31,902,941.41-12,805,461.30

Finding the Fourth Proportional to 23,118,073.91, 31,902,941.41 and 12,805,461.30

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Solution

The fourth proportional to 23,118,073.91, 31,902,941.41 and 12,805,461.30 is: 17,671,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,118,073.91 : 31,902,941.41 = 12,805,461.30 : x
  2. Step 2: Convert to fraction form
    23,118,073.91/31,902,941.41 = 12,805,461.30/x
  3. Step 3: Cross multiply
    23,118,073.91x = 31,902,941.41 × 12,805,461.30
  4. Step 4: Simplify right side
    23,118,073.91x = 408,531,881,549,908.81
  5. Step 5: Solve for x
    x = 408,531,881,549,908.81/23,118,073.91
  6. Step 6: Final answer
    x = 17,671,536.27

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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.