Home / 7,828,280.80-11,742,421.20-3,341,010.40

Finding the Fourth Proportional to 7,828,280.80, 11,742,421.20 and 3,341,010.40

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Solution

The fourth proportional to 7,828,280.80, 11,742,421.20 and 3,341,010.40 is: 5,011,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,280.80 : 11,742,421.20 = 3,341,010.40 : x
  2. Step 2: Convert to fraction form
    7,828,280.80/11,742,421.20 = 3,341,010.40/x
  3. Step 3: Cross multiply
    7,828,280.80x = 11,742,421.20 × 3,341,010.40
  4. Step 4: Simplify right side
    7,828,280.80x = 39,231,551,350,380.48
  5. Step 5: Solve for x
    x = 39,231,551,350,380.48/7,828,280.80
  6. Step 6: Final answer
    x = 5,011,515.60

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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.