Home / 13,350,513.03-18,424,070.25-7,550,162.16

Finding the Fourth Proportional to 13,350,513.03, 18,424,070.25 and 7,550,162.16

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Solution

The fourth proportional to 13,350,513.03, 18,424,070.25 and 7,550,162.16 is: 10,419,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350,513.03 : 18,424,070.25 = 7,550,162.16 : x
  2. Step 2: Convert to fraction form
    13,350,513.03/18,424,070.25 = 7,550,162.16/x
  3. Step 3: Cross multiply
    13,350,513.03x = 18,424,070.25 × 7,550,162.16
  4. Step 4: Simplify right side
    13,350,513.03x = 139,104,717,937,328.38
  5. Step 5: Solve for x
    x = 139,104,717,937,328.38/13,350,513.03
  6. Step 6: Final answer
    x = 10,419,428.65

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1.5x scale

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.