Home / 18,338,058.18-25,307,127.17-10,078,413.15

Finding the Fourth Proportional to 18,338,058.18, 25,307,127.17 and 10,078,413.15

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Solution

The fourth proportional to 18,338,058.18, 25,307,127.17 and 10,078,413.15 is: 13,908,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,058.18 : 25,307,127.17 = 10,078,413.15 : x
  2. Step 2: Convert to fraction form
    18,338,058.18/25,307,127.17 = 10,078,413.15/x
  3. Step 3: Cross multiply
    18,338,058.18x = 25,307,127.17 × 10,078,413.15
  4. Step 4: Simplify right side
    18,338,058.18x = 255,055,683,341,154
  5. Step 5: Solve for x
    x = 255,055,683,341,154/18,338,058.18
  6. Step 6: Final answer
    x = 13,908,543.69

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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.