Home / 10,926,254.20-16,408,043.70-7,156,449.40

Finding the Fourth Proportional to 10,926,254.20, 16,408,043.70 and 7,156,449.40

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Solution

The fourth proportional to 10,926,254.20, 16,408,043.70 and 7,156,449.40 is: 10,746,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,254.20 : 16,408,043.70 = 7,156,449.40 : x
  2. Step 2: Convert to fraction form
    10,926,254.20/16,408,043.70 = 7,156,449.40/x
  3. Step 3: Cross multiply
    10,926,254.20x = 16,408,043.70 × 7,156,449.40
  4. Step 4: Simplify right side
    10,926,254.20x = 117,423,334,492,038.78
  5. Step 5: Solve for x
    x = 117,423,334,492,038.78/10,926,254.20
  6. Step 6: Final answer
    x = 10,746,897.55

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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.