Home / 9,900,217.62-13,662,931.73-5,549,305.05

Finding the Fourth Proportional to 9,900,217.62, 13,662,931.73 and 5,549,305.05

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Solution

The fourth proportional to 9,900,217.62, 13,662,931.73 and 5,549,305.05 is: 7,658,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900,217.62 : 13,662,931.73 = 5,549,305.05 : x
  2. Step 2: Convert to fraction form
    9,900,217.62/13,662,931.73 = 5,549,305.05/x
  3. Step 3: Cross multiply
    9,900,217.62x = 13,662,931.73 × 5,549,305.05
  4. Step 4: Simplify right side
    9,900,217.62x = 75,819,776,019,347.70
  5. Step 5: Solve for x
    x = 75,819,776,019,347.70/9,900,217.62
  6. Step 6: Final answer
    x = 7,658,394.89

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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.