Home / 10,220,741.71-15,341,746.25-7,528,107.31

Finding the Fourth Proportional to 10,220,741.71, 15,341,746.25 and 7,528,107.31

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Solution

The fourth proportional to 10,220,741.71, 15,341,746.25 and 7,528,107.31 is: 11,299,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,741.71 : 15,341,746.25 = 7,528,107.31 : x
  2. Step 2: Convert to fraction form
    10,220,741.71/15,341,746.25 = 7,528,107.31/x
  3. Step 3: Cross multiply
    10,220,741.71x = 15,341,746.25 × 7,528,107.31
  4. Step 4: Simplify right side
    10,220,741.71x = 115,494,312,092,790.08
  5. Step 5: Solve for x
    x = 115,494,312,092,790.08/10,220,741.71
  6. Step 6: Final answer
    x = 11,299,993.23

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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.