Home / 11,528,377.60-15,909,984.80-6,371,628.16

Finding the Fourth Proportional to 11,528,377.60, 15,909,984.80 and 6,371,628.16

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Solution

The fourth proportional to 11,528,377.60, 15,909,984.80 and 6,371,628.16 is: 8,793,302.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528,377.60 : 15,909,984.80 = 6,371,628.16 : x
  2. Step 2: Convert to fraction form
    11,528,377.60/15,909,984.80 = 6,371,628.16/x
  3. Step 3: Cross multiply
    11,528,377.60x = 15,909,984.80 × 6,371,628.16
  4. Step 4: Simplify right side
    11,528,377.60x = 101,372,507,176,851.97
  5. Step 5: Solve for x
    x = 101,372,507,176,851.97/11,528,377.60
  6. Step 6: Final answer
    x = 8,793,302.12

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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.