Home / 7,680,870.16-11,513,258.16-3,578,808.88

Finding the Fourth Proportional to 7,680,870.16, 11,513,258.16 and 3,578,808.88

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Solution

The fourth proportional to 7,680,870.16, 11,513,258.16 and 3,578,808.88 is: 5,364,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,870.16 : 11,513,258.16 = 3,578,808.88 : x
  2. Step 2: Convert to fraction form
    7,680,870.16/11,513,258.16 = 3,578,808.88/x
  3. Step 3: Cross multiply
    7,680,870.16x = 11,513,258.16 × 3,578,808.88
  4. Step 4: Simplify right side
    7,680,870.16x = 41,203,750,560,259.26
  5. Step 5: Solve for x
    x = 41,203,750,560,259.26/7,680,870.16
  6. Step 6: Final answer
    x = 5,364,463.88

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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.