Home / 7,290,643.60-10,935,965.40-6,121,473.40

Finding the Fourth Proportional to 7,290,643.60, 10,935,965.40 and 6,121,473.40

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Solution

The fourth proportional to 7,290,643.60, 10,935,965.40 and 6,121,473.40 is: 9,182,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290,643.60 : 10,935,965.40 = 6,121,473.40 : x
  2. Step 2: Convert to fraction form
    7,290,643.60/10,935,965.40 = 6,121,473.40/x
  3. Step 3: Cross multiply
    7,290,643.60x = 10,935,965.40 × 6,121,473.40
  4. Step 4: Simplify right side
    7,290,643.60x = 66,944,221,299,420.37
  5. Step 5: Solve for x
    x = 66,944,221,299,420.37/7,290,643.60
  6. Step 6: Final answer
    x = 9,182,210.10

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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.