Home / 14,975,750.61-20,679,133.55-9,478,822.70

Finding the Fourth Proportional to 14,975,750.61, 20,679,133.55 and 9,478,822.70

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Solution

The fourth proportional to 14,975,750.61, 20,679,133.55 and 9,478,822.70 is: 13,088,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,750.61 : 20,679,133.55 = 9,478,822.70 : x
  2. Step 2: Convert to fraction form
    14,975,750.61/20,679,133.55 = 9,478,822.70/x
  3. Step 3: Cross multiply
    14,975,750.61x = 20,679,133.55 × 9,478,822.70
  4. Step 4: Simplify right side
    14,975,750.61x = 196,013,840,514,375.34
  5. Step 5: Solve for x
    x = 196,013,840,514,375.34/14,975,750.61
  6. Step 6: Final answer
    x = 13,088,748.98

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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.