Home / 15,683,423.40-23,525,135.10-13,163,999.40

Finding the Fourth Proportional to 15,683,423.40, 23,525,135.10 and 13,163,999.40

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Solution

The fourth proportional to 15,683,423.40, 23,525,135.10 and 13,163,999.40 is: 19,745,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683,423.40 : 23,525,135.10 = 13,163,999.40 : x
  2. Step 2: Convert to fraction form
    15,683,423.40/23,525,135.10 = 13,163,999.40/x
  3. Step 3: Cross multiply
    15,683,423.40x = 23,525,135.10 × 13,163,999.40
  4. Step 4: Simplify right side
    15,683,423.40x = 309,684,864,341,318.94
  5. Step 5: Solve for x
    x = 309,684,864,341,318.94/15,683,423.40
  6. Step 6: Final answer
    x = 19,745,999.10

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1.5x scale

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.