Home / 9,939,543.40-14,909,315.10-9,876,557.80

Finding the Fourth Proportional to 9,939,543.40, 14,909,315.10 and 9,876,557.80

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Solution

The fourth proportional to 9,939,543.40, 14,909,315.10 and 9,876,557.80 is: 14,814,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939,543.40 : 14,909,315.10 = 9,876,557.80 : x
  2. Step 2: Convert to fraction form
    9,939,543.40/14,909,315.10 = 9,876,557.80/x
  3. Step 3: Cross multiply
    9,939,543.40x = 14,909,315.10 × 9,876,557.80
  4. Step 4: Simplify right side
    9,939,543.40x = 147,252,712,343,562.78
  5. Step 5: Solve for x
    x = 147,252,712,343,562.78/9,939,543.40
  6. Step 6: Final answer
    x = 14,814,836.70

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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.