Home / 13,310,962.61-19,913,909.40-10,081,802.43

Finding the Fourth Proportional to 13,310,962.61, 19,913,909.40 and 10,081,802.43

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Solution

The fourth proportional to 13,310,962.61, 19,913,909.40 and 10,081,802.43 is: 15,082,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,962.61 : 19,913,909.40 = 10,081,802.43 : x
  2. Step 2: Convert to fraction form
    13,310,962.61/19,913,909.40 = 10,081,802.43/x
  3. Step 3: Cross multiply
    13,310,962.61x = 19,913,909.40 × 10,081,802.43
  4. Step 4: Simplify right side
    13,310,962.61x = 200,768,100,179,719.81
  5. Step 5: Solve for x
    x = 200,768,100,179,719.81/13,310,962.61
  6. Step 6: Final answer
    x = 15,082,913.70

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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.