Home / 19,872,001.80-29,808,002.70-10,778,455.80

Finding the Fourth Proportional to 19,872,001.80, 29,808,002.70 and 10,778,455.80

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Solution

The fourth proportional to 19,872,001.80, 29,808,002.70 and 10,778,455.80 is: 16,167,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,001.80 : 29,808,002.70 = 10,778,455.80 : x
  2. Step 2: Convert to fraction form
    19,872,001.80/29,808,002.70 = 10,778,455.80/x
  3. Step 3: Cross multiply
    19,872,001.80x = 29,808,002.70 × 10,778,455.80
  4. Step 4: Simplify right side
    19,872,001.80x = 321,284,239,588,230.69
  5. Step 5: Solve for x
    x = 321,284,239,588,230.69/19,872,001.80
  6. Step 6: Final answer
    x = 16,167,683.70

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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.