Home / 17,670,905.40-26,506,358.10-9,986,662.20

Finding the Fourth Proportional to 17,670,905.40, 26,506,358.10 and 9,986,662.20

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Solution

The fourth proportional to 17,670,905.40, 26,506,358.10 and 9,986,662.20 is: 14,979,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670,905.40 : 26,506,358.10 = 9,986,662.20 : x
  2. Step 2: Convert to fraction form
    17,670,905.40/26,506,358.10 = 9,986,662.20/x
  3. Step 3: Cross multiply
    17,670,905.40x = 26,506,358.10 × 9,986,662.20
  4. Step 4: Simplify right side
    17,670,905.40x = 264,710,044,496,933.81
  5. Step 5: Solve for x
    x = 264,710,044,496,933.81/17,670,905.40
  6. Step 6: Final answer
    x = 14,979,993.30

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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.