Home / 35,520,017.60-53,280,026.40-12,803,211.20

Finding the Fourth Proportional to 35,520,017.60, 53,280,026.40 and 12,803,211.20

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Solution

The fourth proportional to 35,520,017.60, 53,280,026.40 and 12,803,211.20 is: 19,204,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,520,017.60 : 53,280,026.40 = 12,803,211.20 : x
  2. Step 2: Convert to fraction form
    35,520,017.60/53,280,026.40 = 12,803,211.20/x
  3. Step 3: Cross multiply
    35,520,017.60x = 53,280,026.40 × 12,803,211.20
  4. Step 4: Simplify right side
    35,520,017.60x = 682,155,430,740,775.62
  5. Step 5: Solve for x
    x = 682,155,430,740,775.62/35,520,017.60
  6. Step 6: Final answer
    x = 19,204,816.80

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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.