Home / 19,332,564.70-28,997,925.45-6,551,815.90

Finding the Fourth Proportional to 19,332,564.70, 28,997,925.45 and 6,551,815.90

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Solution

The fourth proportional to 19,332,564.70, 28,997,925.45 and 6,551,815.90 is: 9,827,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332,564.70 : 28,997,925.45 = 6,551,815.90 : x
  2. Step 2: Convert to fraction form
    19,332,564.70/28,997,925.45 = 6,551,815.90/x
  3. Step 3: Cross multiply
    19,332,564.70x = 28,997,925.45 × 6,551,815.90
  4. Step 4: Simplify right side
    19,332,564.70x = 189,989,069,030,324.66
  5. Step 5: Solve for x
    x = 189,989,069,030,324.66/19,332,564.70
  6. Step 6: Final answer
    x = 9,827,411.52

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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.