Home / 28,032,330.60-42,048,495.90-19,422,986.40

Finding the Fourth Proportional to 28,032,330.60, 42,048,495.90 and 19,422,986.40

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Solution

The fourth proportional to 28,032,330.60, 42,048,495.90 and 19,422,986.40 is: 29,134,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032,330.60 : 42,048,495.90 = 19,422,986.40 : x
  2. Step 2: Convert to fraction form
    28,032,330.60/42,048,495.90 = 19,422,986.40/x
  3. Step 3: Cross multiply
    28,032,330.60x = 42,048,495.90 × 19,422,986.40
  4. Step 4: Simplify right side
    28,032,330.60x = 816,707,364,006,155.62
  5. Step 5: Solve for x
    x = 816,707,364,006,155.62/28,032,330.60
  6. Step 6: Final answer
    x = 29,134,479.60

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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.