Home / 13,011,191.74-17,955,550.08-7,210,070.38

Finding the Fourth Proportional to 13,011,191.74, 17,955,550.08 and 7,210,070.38

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Solution

The fourth proportional to 13,011,191.74, 17,955,550.08 and 7,210,070.38 is: 9,949,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,191.74 : 17,955,550.08 = 7,210,070.38 : x
  2. Step 2: Convert to fraction form
    13,011,191.74/17,955,550.08 = 7,210,070.38/x
  3. Step 3: Cross multiply
    13,011,191.74x = 17,955,550.08 × 7,210,070.38
  4. Step 4: Simplify right side
    13,011,191.74x = 129,460,779,788,414.61
  5. Step 5: Solve for x
    x = 129,460,779,788,414.61/13,011,191.74
  6. Step 6: Final answer
    x = 9,949,955.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.