Home / 12,849,646.74-19,272,401.88-3,749,607.78

Finding the Fourth Proportional to 12,849,646.74, 19,272,401.88 and 3,749,607.78

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Solution

The fourth proportional to 12,849,646.74, 19,272,401.88 and 3,749,607.78 is: 5,623,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849,646.74 : 19,272,401.88 = 3,749,607.78 : x
  2. Step 2: Convert to fraction form
    12,849,646.74/19,272,401.88 = 3,749,607.78/x
  3. Step 3: Cross multiply
    12,849,646.74x = 19,272,401.88 × 3,749,607.78
  4. Step 4: Simplify right side
    12,849,646.74x = 72,263,948,028,534.62
  5. Step 5: Solve for x
    x = 72,263,948,028,534.62/12,849,646.74
  6. Step 6: Final answer
    x = 5,623,808.15

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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.