Home / 10,403,828.30-15,605,742.45-9,396,058.70

Finding the Fourth Proportional to 10,403,828.30, 15,605,742.45 and 9,396,058.70

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Solution

The fourth proportional to 10,403,828.30, 15,605,742.45 and 9,396,058.70 is: 14,094,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,828.30 : 15,605,742.45 = 9,396,058.70 : x
  2. Step 2: Convert to fraction form
    10,403,828.30/15,605,742.45 = 9,396,058.70/x
  3. Step 3: Cross multiply
    10,403,828.30x = 15,605,742.45 × 9,396,058.70
  4. Step 4: Simplify right side
    10,403,828.30x = 146,632,472,117,281.78
  5. Step 5: Solve for x
    x = 146,632,472,117,281.78/10,403,828.30
  6. Step 6: Final answer
    x = 14,094,088.05

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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.