Home / 13,868,582.40-20,788,876.80-6,300,979.20

Finding the Fourth Proportional to 13,868,582.40, 20,788,876.80 and 6,300,979.20

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Solution

The fourth proportional to 13,868,582.40, 20,788,876.80 and 6,300,979.20 is: 9,445,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868,582.40 : 20,788,876.80 = 6,300,979.20 : x
  2. Step 2: Convert to fraction form
    13,868,582.40/20,788,876.80 = 6,300,979.20/x
  3. Step 3: Cross multiply
    13,868,582.40x = 20,788,876.80 × 6,300,979.20
  4. Step 4: Simplify right side
    13,868,582.40x = 130,990,280,308,162.56
  5. Step 5: Solve for x
    x = 130,990,280,308,162.56/13,868,582.40
  6. Step 6: Final answer
    x = 9,445,109.57

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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.