Home / 18,686,825.20-28,030,237.80-6,569,970.40

Finding the Fourth Proportional to 18,686,825.20, 28,030,237.80 and 6,569,970.40

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Solution

The fourth proportional to 18,686,825.20, 28,030,237.80 and 6,569,970.40 is: 9,854,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,825.20 : 28,030,237.80 = 6,569,970.40 : x
  2. Step 2: Convert to fraction form
    18,686,825.20/28,030,237.80 = 6,569,970.40/x
  3. Step 3: Cross multiply
    18,686,825.20x = 28,030,237.80 × 6,569,970.40
  4. Step 4: Simplify right side
    18,686,825.20x = 184,157,832,650,961.12
  5. Step 5: Solve for x
    x = 184,157,832,650,961.12/18,686,825.20
  6. Step 6: Final answer
    x = 9,854,955.60

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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.