Home / 19,802,000.40-29,698,853.40-9,711,862.80

Finding the Fourth Proportional to 19,802,000.40, 29,698,853.40 and 9,711,862.80

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Solution

The fourth proportional to 19,802,000.40, 29,698,853.40 and 9,711,862.80 is: 14,565,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802,000.40 : 29,698,853.40 = 9,711,862.80 : x
  2. Step 2: Convert to fraction form
    19,802,000.40/29,698,853.40 = 9,711,862.80/x
  3. Step 3: Cross multiply
    19,802,000.40x = 29,698,853.40 × 9,711,862.80
  4. Step 4: Simplify right side
    19,802,000.40x = 288,431,189,538,113.50
  5. Step 5: Solve for x
    x = 288,431,189,538,113.50/19,802,000.40
  6. Step 6: Final answer
    x = 14,565,760.21

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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.