Home / 40,426,904.10-60,642,980.55-21,295,028.10

Finding the Fourth Proportional to 40,426,904.10, 60,642,980.55 and 21,295,028.10

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Solution

The fourth proportional to 40,426,904.10, 60,642,980.55 and 21,295,028.10 is: 31,943,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426,904.10 : 60,642,980.55 = 21,295,028.10 : x
  2. Step 2: Convert to fraction form
    40,426,904.10/60,642,980.55 = 21,295,028.10/x
  3. Step 3: Cross multiply
    40,426,904.10x = 60,642,980.55 × 21,295,028.10
  4. Step 4: Simplify right side
    40,426,904.10x = 1,291,393,974,880,003.50
  5. Step 5: Solve for x
    x = 1,291,393,974,880,003.50/40,426,904.10
  6. Step 6: Final answer
    x = 31,943,924.56

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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.