Home / 12,724,543.38-17,559,343.98-6,923,347.68

Finding the Fourth Proportional to 12,724,543.38, 17,559,343.98 and 6,923,347.68

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Solution

The fourth proportional to 12,724,543.38, 17,559,343.98 and 6,923,347.68 is: 9,553,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724,543.38 : 17,559,343.98 = 6,923,347.68 : x
  2. Step 2: Convert to fraction form
    12,724,543.38/17,559,343.98 = 6,923,347.68/x
  3. Step 3: Cross multiply
    12,724,543.38x = 17,559,343.98 × 6,923,347.68
  4. Step 4: Simplify right side
    12,724,543.38x = 121,569,443,406,254.97
  5. Step 5: Solve for x
    x = 121,569,443,406,254.97/12,724,543.38
  6. Step 6: Final answer
    x = 9,553,933.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.