Home / 38,330,963.42-52,896,455.73-20,927,308.13

Finding the Fourth Proportional to 38,330,963.42, 52,896,455.73 and 20,927,308.13

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Solution

The fourth proportional to 38,330,963.42, 52,896,455.73 and 20,927,308.13 is: 28,879,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330,963.42 : 52,896,455.73 = 20,927,308.13 : x
  2. Step 2: Convert to fraction form
    38,330,963.42/52,896,455.73 = 20,927,308.13/x
  3. Step 3: Cross multiply
    38,330,963.42x = 52,896,455.73 × 20,927,308.13
  4. Step 4: Simplify right side
    38,330,963.42x = 1,106,980,427,980,493.50
  5. Step 5: Solve for x
    x = 1,106,980,427,980,493.50/38,330,963.42
  6. Step 6: Final answer
    x = 28,879,535.74

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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.