Home / 6,908,781.40-10,360,061.70-3,120,314.20

Finding the Fourth Proportional to 6,908,781.40, 10,360,061.70 and 3,120,314.20

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Solution

The fourth proportional to 6,908,781.40, 10,360,061.70 and 3,120,314.20 is: 4,679,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908,781.40 : 10,360,061.70 = 3,120,314.20 : x
  2. Step 2: Convert to fraction form
    6,908,781.40/10,360,061.70 = 3,120,314.20/x
  3. Step 3: Cross multiply
    6,908,781.40x = 10,360,061.70 × 3,120,314.20
  4. Step 4: Simplify right side
    6,908,781.40x = 32,326,647,635,386.14
  5. Step 5: Solve for x
    x = 32,326,647,635,386.14/6,908,781.40
  6. Step 6: Final answer
    x = 4,679,066.50

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1.5x scale

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.