Home / 31,570,357.18-47,356,864.44-10,005,809.80

Finding the Fourth Proportional to 31,570,357.18, 47,356,864.44 and 10,005,809.80

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Solution

The fourth proportional to 31,570,357.18, 47,356,864.44 and 10,005,809.80 is: 15,009,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570,357.18 : 47,356,864.44 = 10,005,809.80 : x
  2. Step 2: Convert to fraction form
    31,570,357.18/47,356,864.44 = 10,005,809.80/x
  3. Step 3: Cross multiply
    31,570,357.18x = 47,356,864.44 × 10,005,809.80
  4. Step 4: Simplify right side
    31,570,357.18x = 473,843,778,311,023.50
  5. Step 5: Solve for x
    x = 473,843,778,311,023.50/31,570,357.18
  6. Step 6: Final answer
    x = 15,009,135.80

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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.