Home / 13,011,259.40-17,955,643.38-7,210,138.04

Finding the Fourth Proportional to 13,011,259.40, 17,955,643.38 and 7,210,138.04

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Solution

The fourth proportional to 13,011,259.40, 17,955,643.38 and 7,210,138.04 is: 9,950,048.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,259.40 : 17,955,643.38 = 7,210,138.04 : x
  2. Step 2: Convert to fraction form
    13,011,259.40/17,955,643.38 = 7,210,138.04/x
  3. Step 3: Cross multiply
    13,011,259.40x = 17,955,643.38 × 7,210,138.04
  4. Step 4: Simplify right side
    13,011,259.40x = 129,462,667,366,812.17
  5. Step 5: Solve for x
    x = 129,462,667,366,812.17/13,011,259.40
  6. Step 6: Final answer
    x = 9,950,048.91

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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.