Home / 10,078,813.60-15,118,220.40-3,686,941.60

Finding the Fourth Proportional to 10,078,813.60, 15,118,220.40 and 3,686,941.60

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Solution

The fourth proportional to 10,078,813.60, 15,118,220.40 and 3,686,941.60 is: 5,530,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,813.60 : 15,118,220.40 = 3,686,941.60 : x
  2. Step 2: Convert to fraction form
    10,078,813.60/15,118,220.40 = 3,686,941.60/x
  3. Step 3: Cross multiply
    10,078,813.60x = 15,118,220.40 × 3,686,941.60
  4. Step 4: Simplify right side
    10,078,813.60x = 55,739,995,710,728.64
  5. Step 5: Solve for x
    x = 55,739,995,710,728.64/10,078,813.60
  6. Step 6: Final answer
    x = 5,530,412.40

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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.