Home / 12,426,230.52-17,147,646.54-6,919,889.40

Finding the Fourth Proportional to 12,426,230.52, 17,147,646.54 and 6,919,889.40

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Solution

The fourth proportional to 12,426,230.52, 17,147,646.54 and 6,919,889.40 is: 9,549,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,230.52 : 17,147,646.54 = 6,919,889.40 : x
  2. Step 2: Convert to fraction form
    12,426,230.52/17,147,646.54 = 6,919,889.40/x
  3. Step 3: Cross multiply
    12,426,230.52x = 17,147,646.54 × 6,919,889.40
  4. Step 4: Simplify right side
    12,426,230.52x = 118,659,817,527,092.67
  5. Step 5: Solve for x
    x = 118,659,817,527,092.67/12,426,230.52
  6. Step 6: Final answer
    x = 9,549,140.21

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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.