Home / 11,079,077.70-15,289,068.89-6,434,005.13

Finding the Fourth Proportional to 11,079,077.70, 15,289,068.89 and 6,434,005.13

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Solution

The fourth proportional to 11,079,077.70, 15,289,068.89 and 6,434,005.13 is: 8,878,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079,077.70 : 15,289,068.89 = 6,434,005.13 : x
  2. Step 2: Convert to fraction form
    11,079,077.70/15,289,068.89 = 6,434,005.13/x
  3. Step 3: Cross multiply
    11,079,077.70x = 15,289,068.89 × 6,434,005.13
  4. Step 4: Simplify right side
    11,079,077.70x = 98,369,947,631,965.81
  5. Step 5: Solve for x
    x = 98,369,947,631,965.81/11,079,077.70
  6. Step 6: Final answer
    x = 8,878,893.20

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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.