Home / 30,645,013.60-45,967,520.40-15,528,469.60

Finding the Fourth Proportional to 30,645,013.60, 45,967,520.40 and 15,528,469.60

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Solution

The fourth proportional to 30,645,013.60, 45,967,520.40 and 15,528,469.60 is: 23,292,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645,013.60 : 45,967,520.40 = 15,528,469.60 : x
  2. Step 2: Convert to fraction form
    30,645,013.60/45,967,520.40 = 15,528,469.60/x
  3. Step 3: Cross multiply
    30,645,013.60x = 45,967,520.40 × 15,528,469.60
  4. Step 4: Simplify right side
    30,645,013.60x = 713,805,243,118,779.75
  5. Step 5: Solve for x
    x = 713,805,243,118,779.75/30,645,013.60
  6. Step 6: Final answer
    x = 23,292,704.40

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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.