Home / 10,890,455.40-16,335,683.10-10,359,014.40

Finding the Fourth Proportional to 10,890,455.40, 16,335,683.10 and 10,359,014.40

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Solution

The fourth proportional to 10,890,455.40, 16,335,683.10 and 10,359,014.40 is: 15,538,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,455.40 : 16,335,683.10 = 10,359,014.40 : x
  2. Step 2: Convert to fraction form
    10,890,455.40/16,335,683.10 = 10,359,014.40/x
  3. Step 3: Cross multiply
    10,890,455.40x = 16,335,683.10 × 10,359,014.40
  4. Step 4: Simplify right side
    10,890,455.40x = 169,221,576,466,736.66
  5. Step 5: Solve for x
    x = 169,221,576,466,736.66/10,890,455.40
  6. Step 6: Final answer
    x = 15,538,521.60

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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.