Home / 13,011,156.69-17,955,501.69-7,210,035.30

Finding the Fourth Proportional to 13,011,156.69, 17,955,501.69 and 7,210,035.30

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Solution

The fourth proportional to 13,011,156.69, 17,955,501.69 and 7,210,035.30 is: 9,949,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011,156.69 : 17,955,501.69 = 7,210,035.30 : x
  2. Step 2: Convert to fraction form
    13,011,156.69/17,955,501.69 = 7,210,035.30/x
  3. Step 3: Cross multiply
    13,011,156.69x = 17,955,501.69 × 7,210,035.30
  4. Step 4: Simplify right side
    13,011,156.69x = 129,459,801,014,109.66
  5. Step 5: Solve for x
    x = 129,459,801,014,109.66/13,011,156.69
  6. Step 6: Final answer
    x = 9,949,907.15

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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.