Home / 10,779,961.40-16,169,942.10-5,111,257.40

Finding the Fourth Proportional to 10,779,961.40, 16,169,942.10 and 5,111,257.40

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Solution

The fourth proportional to 10,779,961.40, 16,169,942.10 and 5,111,257.40 is: 7,666,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,961.40 : 16,169,942.10 = 5,111,257.40 : x
  2. Step 2: Convert to fraction form
    10,779,961.40/16,169,942.10 = 5,111,257.40/x
  3. Step 3: Cross multiply
    10,779,961.40x = 16,169,942.10 × 5,111,257.40
  4. Step 4: Simplify right side
    10,779,961.40x = 82,648,736,216,196.55
  5. Step 5: Solve for x
    x = 82,648,736,216,196.55/10,779,961.40
  6. Step 6: Final answer
    x = 7,666,886.10

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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.