Home / 38,739,467.12-53,462,882.47-21,335,807.93

Finding the Fourth Proportional to 38,739,467.12, 53,462,882.47 and 21,335,807.93

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Solution

The fourth proportional to 38,739,467.12, 53,462,882.47 and 21,335,807.93 is: 29,444,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,467.12 : 53,462,882.47 = 21,335,807.93 : x
  2. Step 2: Convert to fraction form
    38,739,467.12/53,462,882.47 = 21,335,807.93/x
  3. Step 3: Cross multiply
    38,739,467.12x = 53,462,882.47 × 21,335,807.93
  4. Step 4: Simplify right side
    38,739,467.12x = 1,140,673,791,764,084
  5. Step 5: Solve for x
    x = 1,140,673,791,764,084/38,739,467.12
  6. Step 6: Final answer
    x = 29,444,746.57

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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.