Home / 15,191,569.04-20,964,363.72-8,316,055.76

Finding the Fourth Proportional to 15,191,569.04, 20,964,363.72 and 8,316,055.76

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Solution

The fourth proportional to 15,191,569.04, 20,964,363.72 and 8,316,055.76 is: 11,476,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,569.04 : 20,964,363.72 = 8,316,055.76 : x
  2. Step 2: Convert to fraction form
    15,191,569.04/20,964,363.72 = 8,316,055.76/x
  3. Step 3: Cross multiply
    15,191,569.04x = 20,964,363.72 × 8,316,055.76
  4. Step 4: Simplify right side
    15,191,569.04x = 174,340,817,668,441
  5. Step 5: Solve for x
    x = 174,340,817,668,441/15,191,569.04
  6. Step 6: Final answer
    x = 11,476,156.10

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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.