Home / 13,178,001.90-19,767,002.85-12,674,117.10

Finding the Fourth Proportional to 13,178,001.90, 19,767,002.85 and 12,674,117.10

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Solution

The fourth proportional to 13,178,001.90, 19,767,002.85 and 12,674,117.10 is: 19,011,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178,001.90 : 19,767,002.85 = 12,674,117.10 : x
  2. Step 2: Convert to fraction form
    13,178,001.90/19,767,002.85 = 12,674,117.10/x
  3. Step 3: Cross multiply
    13,178,001.90x = 19,767,002.85 × 12,674,117.10
  4. Step 4: Simplify right side
    13,178,001.90x = 250,529,308,836,933.75
  5. Step 5: Solve for x
    x = 250,529,308,836,933.75/13,178,001.90
  6. Step 6: Final answer
    x = 19,011,175.65

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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.