Home / 7,127,901.60-10,668,232.80-6,561,031.20

Finding the Fourth Proportional to 7,127,901.60, 10,668,232.80 and 6,561,031.20

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Solution

The fourth proportional to 7,127,901.60, 10,668,232.80 and 6,561,031.20 is: 9,819,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,901.60 : 10,668,232.80 = 6,561,031.20 : x
  2. Step 2: Convert to fraction form
    7,127,901.60/10,668,232.80 = 6,561,031.20/x
  3. Step 3: Cross multiply
    7,127,901.60x = 10,668,232.80 × 6,561,031.20
  4. Step 4: Simplify right side
    7,127,901.60x = 69,994,608,249,663.37
  5. Step 5: Solve for x
    x = 69,994,608,249,663.37/7,127,901.60
  6. Step 6: Final answer
    x = 9,819,805.63

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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.