Home / 19,332,582.20-28,997,951.70-6,551,833.40

Finding the Fourth Proportional to 19,332,582.20, 28,997,951.70 and 6,551,833.40

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Solution

The fourth proportional to 19,332,582.20, 28,997,951.70 and 6,551,833.40 is: 9,827,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332,582.20 : 28,997,951.70 = 6,551,833.40 : x
  2. Step 2: Convert to fraction form
    19,332,582.20/28,997,951.70 = 6,551,833.40/x
  3. Step 3: Cross multiply
    19,332,582.20x = 28,997,951.70 × 6,551,833.40
  4. Step 4: Simplify right side
    19,332,582.20x = 189,989,748,479,646.78
  5. Step 5: Solve for x
    x = 189,989,748,479,646.78/19,332,582.20
  6. Step 6: Final answer
    x = 9,827,437.77

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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.