Home / 9,985,875.20-14,978,812.80-8,828,806.40

Finding the Fourth Proportional to 9,985,875.20, 14,978,812.80 and 8,828,806.40

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Solution

The fourth proportional to 9,985,875.20, 14,978,812.80 and 8,828,806.40 is: 13,243,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985,875.20 : 14,978,812.80 = 8,828,806.40 : x
  2. Step 2: Convert to fraction form
    9,985,875.20/14,978,812.80 = 8,828,806.40/x
  3. Step 3: Cross multiply
    9,985,875.20x = 14,978,812.80 × 8,828,806.40
  4. Step 4: Simplify right side
    9,985,875.20x = 132,245,038,313,041.94
  5. Step 5: Solve for x
    x = 132,245,038,313,041.94/9,985,875.20
  6. Step 6: Final answer
    x = 13,243,209.60

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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.