Home / 13,307,030.10-19,955,879.55-6,915,158.10

Finding the Fourth Proportional to 13,307,030.10, 19,955,879.55 and 6,915,158.10

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Solution

The fourth proportional to 13,307,030.10, 19,955,879.55 and 6,915,158.10 is: 10,370,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,030.10 : 19,955,879.55 = 6,915,158.10 : x
  2. Step 2: Convert to fraction form
    13,307,030.10/19,955,879.55 = 6,915,158.10/x
  3. Step 3: Cross multiply
    13,307,030.10x = 19,955,879.55 × 6,915,158.10
  4. Step 4: Simplify right side
    13,307,030.10x = 137,998,062,112,806.86
  5. Step 5: Solve for x
    x = 137,998,062,112,806.86/13,307,030.10
  6. Step 6: Final answer
    x = 10,370,312.61

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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.