Home / 10,779,719.40-16,169,579.10-5,111,015.40

Finding the Fourth Proportional to 10,779,719.40, 16,169,579.10 and 5,111,015.40

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Solution

The fourth proportional to 10,779,719.40, 16,169,579.10 and 5,111,015.40 is: 7,666,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,719.40 : 16,169,579.10 = 5,111,015.40 : x
  2. Step 2: Convert to fraction form
    10,779,719.40/16,169,579.10 = 5,111,015.40/x
  3. Step 3: Cross multiply
    10,779,719.40x = 16,169,579.10 × 5,111,015.40
  4. Step 4: Simplify right side
    10,779,719.40x = 82,642,967,791,618.14
  5. Step 5: Solve for x
    x = 82,642,967,791,618.14/10,779,719.40
  6. Step 6: Final answer
    x = 7,666,523.10

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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.