Home / 30,154,923.60-45,182,521.80-17,353,100.40

Finding the Fourth Proportional to 30,154,923.60, 45,182,521.80 and 17,353,100.40

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Solution

The fourth proportional to 30,154,923.60, 45,182,521.80 and 17,353,100.40 is: 26,000,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154,923.60 : 45,182,521.80 = 17,353,100.40 : x
  2. Step 2: Convert to fraction form
    30,154,923.60/45,182,521.80 = 17,353,100.40/x
  3. Step 3: Cross multiply
    30,154,923.60x = 45,182,521.80 × 17,353,100.40
  4. Step 4: Simplify right side
    30,154,923.60x = 784,056,837,120,588.62
  5. Step 5: Solve for x
    x = 784,056,837,120,588.62/30,154,923.60
  6. Step 6: Final answer
    x = 26,000,955.85

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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.