Home / 17,499,711.60-26,249,567.40-13,188,697.20

Finding the Fourth Proportional to 17,499,711.60, 26,249,567.40 and 13,188,697.20

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Solution

The fourth proportional to 17,499,711.60, 26,249,567.40 and 13,188,697.20 is: 19,783,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,499,711.60 : 26,249,567.40 = 13,188,697.20 : x
  2. Step 2: Convert to fraction form
    17,499,711.60/26,249,567.40 = 13,188,697.20/x
  3. Step 3: Cross multiply
    17,499,711.60x = 26,249,567.40 × 13,188,697.20
  4. Step 4: Simplify right side
    17,499,711.60x = 346,197,596,069,591.25
  5. Step 5: Solve for x
    x = 346,197,596,069,591.25/17,499,711.60
  6. Step 6: Final answer
    x = 19,783,045.80

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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.