Home / 13,001,151.80-19,487,730.90-4,911,001.40

Finding the Fourth Proportional to 13,001,151.80, 19,487,730.90 and 4,911,001.40

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Solution

The fourth proportional to 13,001,151.80, 19,487,730.90 and 4,911,001.40 is: 7,361,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,151.80 : 19,487,730.90 = 4,911,001.40 : x
  2. Step 2: Convert to fraction form
    13,001,151.80/19,487,730.90 = 4,911,001.40/x
  3. Step 3: Cross multiply
    13,001,151.80x = 19,487,730.90 × 4,911,001.40
  4. Step 4: Simplify right side
    13,001,151.80x = 95,704,273,732,723.27
  5. Step 5: Solve for x
    x = 95,704,273,732,723.27/13,001,151.80
  6. Step 6: Final answer
    x = 7,361,215.01

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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.