Home / 20,515,801.60-30,773,702.40-19,571,017.60

Finding the Fourth Proportional to 20,515,801.60, 30,773,702.40 and 19,571,017.60

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Solution

The fourth proportional to 20,515,801.60, 30,773,702.40 and 19,571,017.60 is: 29,356,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515,801.60 : 30,773,702.40 = 19,571,017.60 : x
  2. Step 2: Convert to fraction form
    20,515,801.60/30,773,702.40 = 19,571,017.60/x
  3. Step 3: Cross multiply
    20,515,801.60x = 30,773,702.40 × 19,571,017.60
  4. Step 4: Simplify right side
    20,515,801.60x = 602,272,671,287,562.25
  5. Step 5: Solve for x
    x = 602,272,671,287,562.25/20,515,801.60
  6. Step 6: Final answer
    x = 29,356,526.40

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1.5x scale

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.