Home / 12,771,007.20-19,156,510.80-6,703,394.40

Finding the Fourth Proportional to 12,771,007.20, 19,156,510.80 and 6,703,394.40

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Solution

The fourth proportional to 12,771,007.20, 19,156,510.80 and 6,703,394.40 is: 10,055,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,007.20 : 19,156,510.80 = 6,703,394.40 : x
  2. Step 2: Convert to fraction form
    12,771,007.20/19,156,510.80 = 6,703,394.40/x
  3. Step 3: Cross multiply
    12,771,007.20x = 19,156,510.80 × 6,703,394.40
  4. Step 4: Simplify right side
    12,771,007.20x = 128,413,647,220,259.53
  5. Step 5: Solve for x
    x = 128,413,647,220,259.53/12,771,007.20
  6. Step 6: Final answer
    x = 10,055,091.60

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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.