Home / 12,946,663.08-17,866,307.03-7,145,444.70

Finding the Fourth Proportional to 12,946,663.08, 17,866,307.03 and 7,145,444.70

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Solution

The fourth proportional to 12,946,663.08, 17,866,307.03 and 7,145,444.70 is: 9,860,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,663.08 : 17,866,307.03 = 7,145,444.70 : x
  2. Step 2: Convert to fraction form
    12,946,663.08/17,866,307.03 = 7,145,444.70/x
  3. Step 3: Cross multiply
    12,946,663.08x = 17,866,307.03 × 7,145,444.70
  4. Step 4: Simplify right side
    12,946,663.08x = 127,662,708,840,359.02
  5. Step 5: Solve for x
    x = 127,662,708,840,359.02/12,946,663.08
  6. Step 6: Final answer
    x = 9,860,665.10

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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.