Home / 5,481,017.60-8,221,526.40-5,257,068.80

Finding the Fourth Proportional to 5,481,017.60, 8,221,526.40 and 5,257,068.80

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Solution

The fourth proportional to 5,481,017.60, 8,221,526.40 and 5,257,068.80 is: 7,885,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481,017.60 : 8,221,526.40 = 5,257,068.80 : x
  2. Step 2: Convert to fraction form
    5,481,017.60/8,221,526.40 = 5,257,068.80/x
  3. Step 3: Cross multiply
    5,481,017.60x = 8,221,526.40 × 5,257,068.80
  4. Step 4: Simplify right side
    5,481,017.60x = 43,221,129,925,816.32
  5. Step 5: Solve for x
    x = 43,221,129,925,816.32/5,481,017.60
  6. Step 6: Final answer
    x = 7,885,603.20

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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.