Home / 19,174,532.40-28,714,559.40-12,750,001.20

Finding the Fourth Proportional to 19,174,532.40, 28,714,559.40 and 12,750,001.20

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Solution

The fourth proportional to 19,174,532.40, 28,714,559.40 and 12,750,001.20 is: 19,093,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174,532.40 : 28,714,559.40 = 12,750,001.20 : x
  2. Step 2: Convert to fraction form
    19,174,532.40/28,714,559.40 = 12,750,001.20/x
  3. Step 3: Cross multiply
    19,174,532.40x = 28,714,559.40 × 12,750,001.20
  4. Step 4: Simplify right side
    19,174,532.40x = 366,110,666,807,471.25
  5. Step 5: Solve for x
    x = 366,110,666,807,471.25/19,174,532.40
  6. Step 6: Final answer
    x = 19,093,590.35

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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.