Home / 12,251,729.40-18,377,594.10-10,929,031.80

Finding the Fourth Proportional to 12,251,729.40, 18,377,594.10 and 10,929,031.80

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Solution

The fourth proportional to 12,251,729.40, 18,377,594.10 and 10,929,031.80 is: 16,393,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,729.40 : 18,377,594.10 = 10,929,031.80 : x
  2. Step 2: Convert to fraction form
    12,251,729.40/18,377,594.10 = 10,929,031.80/x
  3. Step 3: Cross multiply
    12,251,729.40x = 18,377,594.10 × 10,929,031.80
  4. Step 4: Simplify right side
    12,251,729.40x = 200,849,310,326,392.41
  5. Step 5: Solve for x
    x = 200,849,310,326,392.41/12,251,729.40
  6. Step 6: Final answer
    x = 16,393,547.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.