Home / 7,886,320.19-10,878,984.34-6,851,502.87

Finding the Fourth Proportional to 7,886,320.19, 10,878,984.34 and 6,851,502.87

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Solution

The fourth proportional to 7,886,320.19, 10,878,984.34 and 6,851,502.87 is: 9,451,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,320.19 : 10,878,984.34 = 6,851,502.87 : x
  2. Step 2: Convert to fraction form
    7,886,320.19/10,878,984.34 = 6,851,502.87/x
  3. Step 3: Cross multiply
    7,886,320.19x = 10,878,984.34 × 6,851,502.87
  4. Step 4: Simplify right side
    7,886,320.19x = 74,537,392,428,195.06
  5. Step 5: Solve for x
    x = 74,537,392,428,195.06/7,886,320.19
  6. Step 6: Final answer
    x = 9,451,479.35

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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.