Home / 14,020,382.60-21,036,478.80-7,635,217.40

Finding the Fourth Proportional to 14,020,382.60, 21,036,478.80 and 7,635,217.40

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Solution

The fourth proportional to 14,020,382.60, 21,036,478.80 and 7,635,217.40 is: 11,456,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020,382.60 : 21,036,478.80 = 7,635,217.40 : x
  2. Step 2: Convert to fraction form
    14,020,382.60/21,036,478.80 = 7,635,217.40/x
  3. Step 3: Cross multiply
    14,020,382.60x = 21,036,478.80 × 7,635,217.40
  4. Step 4: Simplify right side
    14,020,382.60x = 160,618,088,968,491.12
  5. Step 5: Solve for x
    x = 160,618,088,968,491.12/14,020,382.60
  6. Step 6: Final answer
    x = 11,456,041.79

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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.