Home / 13,080,348.78-18,048,962.61-7,852,248.42

Finding the Fourth Proportional to 13,080,348.78, 18,048,962.61 and 7,852,248.42

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Solution

The fourth proportional to 13,080,348.78, 18,048,962.61 and 7,852,248.42 is: 10,834,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080,348.78 : 18,048,962.61 = 7,852,248.42 : x
  2. Step 2: Convert to fraction form
    13,080,348.78/18,048,962.61 = 7,852,248.42/x
  3. Step 3: Cross multiply
    13,080,348.78x = 18,048,962.61 × 7,852,248.42
  4. Step 4: Simplify right side
    13,080,348.78x = 141,724,938,137,011.56
  5. Step 5: Solve for x
    x = 141,724,938,137,011.56/13,080,348.78
  6. Step 6: Final answer
    x = 10,834,951.00

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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.