Home / 13,424,113.18-18,525,181.71-7,312,541.68

Finding the Fourth Proportional to 13,424,113.18, 18,525,181.71 and 7,312,541.68

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Solution

The fourth proportional to 13,424,113.18, 18,525,181.71 and 7,312,541.68 is: 10,091,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,113.18 : 18,525,181.71 = 7,312,541.68 : x
  2. Step 2: Convert to fraction form
    13,424,113.18/18,525,181.71 = 7,312,541.68/x
  3. Step 3: Cross multiply
    13,424,113.18x = 18,525,181.71 × 7,312,541.68
  4. Step 4: Simplify right side
    13,424,113.18x = 135,466,163,383,948.67
  5. Step 5: Solve for x
    x = 135,466,163,383,948.67/13,424,113.18
  6. Step 6: Final answer
    x = 10,091,256.05

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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.