Home / 9,064,739.70-12,509,907.30-4,990,358.70

Finding the Fourth Proportional to 9,064,739.70, 12,509,907.30 and 4,990,358.70

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Solution

The fourth proportional to 9,064,739.70, 12,509,907.30 and 4,990,358.70 is: 6,887,006.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064,739.70 : 12,509,907.30 = 4,990,358.70 : x
  2. Step 2: Convert to fraction form
    9,064,739.70/12,509,907.30 = 4,990,358.70/x
  3. Step 3: Cross multiply
    9,064,739.70x = 12,509,907.30 × 4,990,358.70
  4. Step 4: Simplify right side
    9,064,739.70x = 62,428,924,730,748.52
  5. Step 5: Solve for x
    x = 62,428,924,730,748.52/9,064,739.70
  6. Step 6: Final answer
    x = 6,887,006.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.