Home / 40,697,347.20-61,046,020.80-10,403,606.40

Finding the Fourth Proportional to 40,697,347.20, 61,046,020.80 and 10,403,606.40

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Solution

The fourth proportional to 40,697,347.20, 61,046,020.80 and 10,403,606.40 is: 15,605,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697,347.20 : 61,046,020.80 = 10,403,606.40 : x
  2. Step 2: Convert to fraction form
    40,697,347.20/61,046,020.80 = 10,403,606.40/x
  3. Step 3: Cross multiply
    40,697,347.20x = 61,046,020.80 × 10,403,606.40
  4. Step 4: Simplify right side
    40,697,347.20x = 635,098,772,689,413.12
  5. Step 5: Solve for x
    x = 635,098,772,689,413.12/40,697,347.20
  6. Step 6: Final answer
    x = 15,605,409.60

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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.