Home / 6,878,411.40-10,317,617.10-6,772,123.20

Finding the Fourth Proportional to 6,878,411.40, 10,317,617.10 and 6,772,123.20

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Solution

The fourth proportional to 6,878,411.40, 10,317,617.10 and 6,772,123.20 is: 10,158,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,411.40 : 10,317,617.10 = 6,772,123.20 : x
  2. Step 2: Convert to fraction form
    6,878,411.40/10,317,617.10 = 6,772,123.20/x
  3. Step 3: Cross multiply
    6,878,411.40x = 10,317,617.10 × 6,772,123.20
  4. Step 4: Simplify right side
    6,878,411.40x = 69,872,174,131,626.72
  5. Step 5: Solve for x
    x = 69,872,174,131,626.72/6,878,411.40
  6. Step 6: Final answer
    x = 10,158,184.80

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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.