Home / 10,867,405.80-16,301,108.70-9,784,986.60

Finding the Fourth Proportional to 10,867,405.80, 16,301,108.70 and 9,784,986.60

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Solution

The fourth proportional to 10,867,405.80, 16,301,108.70 and 9,784,986.60 is: 14,677,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,405.80 : 16,301,108.70 = 9,784,986.60 : x
  2. Step 2: Convert to fraction form
    10,867,405.80/16,301,108.70 = 9,784,986.60/x
  3. Step 3: Cross multiply
    10,867,405.80x = 16,301,108.70 × 9,784,986.60
  4. Step 4: Simplify right side
    10,867,405.80x = 159,506,130,194,643.41
  5. Step 5: Solve for x
    x = 159,506,130,194,643.41/10,867,405.80
  6. Step 6: Final answer
    x = 14,677,479.90

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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.