Home / 28,391,345.36-42,617,327.16-12,225,300.56

Finding the Fourth Proportional to 28,391,345.36, 42,617,327.16 and 12,225,300.56

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Solution

The fourth proportional to 28,391,345.36, 42,617,327.16 and 12,225,300.56 is: 18,351,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,391,345.36 : 42,617,327.16 = 12,225,300.56 : x
  2. Step 2: Convert to fraction form
    28,391,345.36/42,617,327.16 = 12,225,300.56/x
  3. Step 3: Cross multiply
    28,391,345.36x = 42,617,327.16 × 12,225,300.56
  4. Step 4: Simplify right side
    28,391,345.36x = 521,009,633,594,851.19
  5. Step 5: Solve for x
    x = 521,009,633,594,851.19/28,391,345.36
  6. Step 6: Final answer
    x = 18,351,001.93

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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.