Home / 10,790,746.60-16,186,119.90-8,381,547.40

Finding the Fourth Proportional to 10,790,746.60, 16,186,119.90 and 8,381,547.40

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Solution

The fourth proportional to 10,790,746.60, 16,186,119.90 and 8,381,547.40 is: 12,572,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,746.60 : 16,186,119.90 = 8,381,547.40 : x
  2. Step 2: Convert to fraction form
    10,790,746.60/16,186,119.90 = 8,381,547.40/x
  3. Step 3: Cross multiply
    10,790,746.60x = 16,186,119.90 × 8,381,547.40
  4. Step 4: Simplify right side
    10,790,746.60x = 135,664,731,163,933.27
  5. Step 5: Solve for x
    x = 135,664,731,163,933.27/10,790,746.60
  6. Step 6: Final answer
    x = 12,572,321.10

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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.