Home / 13,779,520.40-20,669,280.60-9,474,848.30

Finding the Fourth Proportional to 13,779,520.40, 20,669,280.60 and 9,474,848.30

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Solution

The fourth proportional to 13,779,520.40, 20,669,280.60 and 9,474,848.30 is: 14,212,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,520.40 : 20,669,280.60 = 9,474,848.30 : x
  2. Step 2: Convert to fraction form
    13,779,520.40/20,669,280.60 = 9,474,848.30/x
  3. Step 3: Cross multiply
    13,779,520.40x = 20,669,280.60 × 9,474,848.30
  4. Step 4: Simplify right side
    13,779,520.40x = 195,838,298,155,133
  5. Step 5: Solve for x
    x = 195,838,298,155,133/13,779,520.40
  6. Step 6: Final answer
    x = 14,212,272.45

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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.