Home / 13,206,176.40-19,813,696.02-5,119,415.76

Finding the Fourth Proportional to 13,206,176.40, 19,813,696.02 and 5,119,415.76

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Solution

The fourth proportional to 13,206,176.40, 19,813,696.02 and 5,119,415.76 is: 7,680,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,176.40 : 19,813,696.02 = 5,119,415.76 : x
  2. Step 2: Convert to fraction form
    13,206,176.40/19,813,696.02 = 5,119,415.76/x
  3. Step 3: Cross multiply
    13,206,176.40x = 19,813,696.02 × 5,119,415.76
  4. Step 4: Simplify right side
    13,206,176.40x = 101,434,547,668,637.27
  5. Step 5: Solve for x
    x = 101,434,547,668,637.27/13,206,176.40
  6. Step 6: Final answer
    x = 7,680,841.49

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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.