Home / 13,012,119.12-17,956,505.16-7,210,889.04

Finding the Fourth Proportional to 13,012,119.12, 17,956,505.16 and 7,210,889.04

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Solution

The fourth proportional to 13,012,119.12, 17,956,505.16 and 7,210,889.04 is: 9,950,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012,119.12 : 17,956,505.16 = 7,210,889.04 : x
  2. Step 2: Convert to fraction form
    13,012,119.12/17,956,505.16 = 7,210,889.04/x
  3. Step 3: Cross multiply
    13,012,119.12x = 17,956,505.16 × 7,210,889.04
  4. Step 4: Simplify right side
    13,012,119.12x = 129,482,366,254,947.45
  5. Step 5: Solve for x
    x = 129,482,366,254,947.45/13,012,119.12
  6. Step 6: Final answer
    x = 9,950,905.39

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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.