Home / 11,880,779.90-16,392,666.15-6,724,141.29

Finding the Fourth Proportional to 11,880,779.90, 16,392,666.15 and 6,724,141.29

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Solution

The fourth proportional to 11,880,779.90, 16,392,666.15 and 6,724,141.29 is: 9,277,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,779.90 : 16,392,666.15 = 6,724,141.29 : x
  2. Step 2: Convert to fraction form
    11,880,779.90/16,392,666.15 = 6,724,141.29/x
  3. Step 3: Cross multiply
    11,880,779.90x = 16,392,666.15 × 6,724,141.29
  4. Step 4: Simplify right side
    11,880,779.90x = 110,226,603,312,400.34
  5. Step 5: Solve for x
    x = 110,226,603,312,400.34/11,880,779.90
  6. Step 6: Final answer
    x = 9,277,724.55

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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.