Home / 9,390,616.40-12,971,206.86-7,765,587.92

Finding the Fourth Proportional to 9,390,616.40, 12,971,206.86 and 7,765,587.92

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Solution

The fourth proportional to 9,390,616.40, 12,971,206.86 and 7,765,587.92 is: 10,726,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390,616.40 : 12,971,206.86 = 7,765,587.92 : x
  2. Step 2: Convert to fraction form
    9,390,616.40/12,971,206.86 = 7,765,587.92/x
  3. Step 3: Cross multiply
    9,390,616.40x = 12,971,206.86 × 7,765,587.92
  4. Step 4: Simplify right side
    9,390,616.40x = 100,729,047,303,144.19
  5. Step 5: Solve for x
    x = 100,729,047,303,144.19/9,390,616.40
  6. Step 6: Final answer
    x = 10,726,563.94

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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.