Home / 9,829,888.36-13,565,336.10-5,419,772.20

Finding the Fourth Proportional to 9,829,888.36, 13,565,336.10 and 5,419,772.20

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Solution

The fourth proportional to 9,829,888.36, 13,565,336.10 and 5,419,772.20 is: 7,479,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829,888.36 : 13,565,336.10 = 5,419,772.20 : x
  2. Step 2: Convert to fraction form
    9,829,888.36/13,565,336.10 = 5,419,772.20/x
  3. Step 3: Cross multiply
    9,829,888.36x = 13,565,336.10 × 5,419,772.20
  4. Step 4: Simplify right side
    9,829,888.36x = 73,521,031,478,436.42
  5. Step 5: Solve for x
    x = 73,521,031,478,436.42/9,829,888.36
  6. Step 6: Final answer
    x = 7,479,335.35

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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.