Home / 13,892,442.30-20,838,663.45-4,307,744.70

Finding the Fourth Proportional to 13,892,442.30, 20,838,663.45 and 4,307,744.70

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Solution

The fourth proportional to 13,892,442.30, 20,838,663.45 and 4,307,744.70 is: 6,461,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892,442.30 : 20,838,663.45 = 4,307,744.70 : x
  2. Step 2: Convert to fraction form
    13,892,442.30/20,838,663.45 = 4,307,744.70/x
  3. Step 3: Cross multiply
    13,892,442.30x = 20,838,663.45 × 4,307,744.70
  4. Step 4: Simplify right side
    13,892,442.30x = 89,767,642,031,821.22
  5. Step 5: Solve for x
    x = 89,767,642,031,821.22/13,892,442.30
  6. Step 6: Final answer
    x = 6,461,617.05

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1.5x scale

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.