Home / 12,677,643.76-17,495,019.78-6,876,300.88

Finding the Fourth Proportional to 12,677,643.76, 17,495,019.78 and 6,876,300.88

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Solution

The fourth proportional to 12,677,643.76, 17,495,019.78 and 6,876,300.88 is: 9,489,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677,643.76 : 17,495,019.78 = 6,876,300.88 : x
  2. Step 2: Convert to fraction form
    12,677,643.76/17,495,019.78 = 6,876,300.88/x
  3. Step 3: Cross multiply
    12,677,643.76x = 17,495,019.78 × 6,876,300.88
  4. Step 4: Simplify right side
    12,677,643.76x = 120,301,019,908,831.41
  5. Step 5: Solve for x
    x = 120,301,019,908,831.41/12,677,643.76
  6. Step 6: Final answer
    x = 9,489,225.46

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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.