Home / 13,709,430.40-20,564,145.60-8,036,060.80

Finding the Fourth Proportional to 13,709,430.40, 20,564,145.60 and 8,036,060.80

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Solution

The fourth proportional to 13,709,430.40, 20,564,145.60 and 8,036,060.80 is: 12,054,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,430.40 : 20,564,145.60 = 8,036,060.80 : x
  2. Step 2: Convert to fraction form
    13,709,430.40/20,564,145.60 = 8,036,060.80/x
  3. Step 3: Cross multiply
    13,709,430.40x = 20,564,145.60 × 8,036,060.80
  4. Step 4: Simplify right side
    13,709,430.40x = 165,254,724,341,652.50
  5. Step 5: Solve for x
    x = 165,254,724,341,652.50/13,709,430.40
  6. Step 6: Final answer
    x = 12,054,091.20

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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.