Home / 13,997,872.17-20,989,210.25-6,312,524.87

Finding the Fourth Proportional to 13,997,872.17, 20,989,210.25 and 6,312,524.87

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Solution

The fourth proportional to 13,997,872.17, 20,989,210.25 and 6,312,524.87 is: 9,465,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,872.17 : 20,989,210.25 = 6,312,524.87 : x
  2. Step 2: Convert to fraction form
    13,997,872.17/20,989,210.25 = 6,312,524.87/x
  3. Step 3: Cross multiply
    13,997,872.17x = 20,989,210.25 × 6,312,524.87
  4. Step 4: Simplify right side
    13,997,872.17x = 132,494,911,773,038.25
  5. Step 5: Solve for x
    x = 132,494,911,773,038.25/13,997,872.17
  6. Step 6: Final answer
    x = 9,465,360.89

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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.