Home / 6,642,749.60-9,964,124.40-4,249,296.80

Finding the Fourth Proportional to 6,642,749.60, 9,964,124.40 and 4,249,296.80

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Solution

The fourth proportional to 6,642,749.60, 9,964,124.40 and 4,249,296.80 is: 6,373,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,749.60 : 9,964,124.40 = 4,249,296.80 : x
  2. Step 2: Convert to fraction form
    6,642,749.60/9,964,124.40 = 4,249,296.80/x
  3. Step 3: Cross multiply
    6,642,749.60x = 9,964,124.40 × 4,249,296.80
  4. Step 4: Simplify right side
    6,642,749.60x = 42,340,521,927,721.92
  5. Step 5: Solve for x
    x = 42,340,521,927,721.92/6,642,749.60
  6. Step 6: Final answer
    x = 6,373,945.20

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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.