Home / 12,456,501.40-18,684,752.10-10,437,025.60

Finding the Fourth Proportional to 12,456,501.40, 18,684,752.10 and 10,437,025.60

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Solution

The fourth proportional to 12,456,501.40, 18,684,752.10 and 10,437,025.60 is: 15,655,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,501.40 : 18,684,752.10 = 10,437,025.60 : x
  2. Step 2: Convert to fraction form
    12,456,501.40/18,684,752.10 = 10,437,025.60/x
  3. Step 3: Cross multiply
    12,456,501.40x = 18,684,752.10 × 10,437,025.60
  4. Step 4: Simplify right side
    12,456,501.40x = 195,013,235,997,353.78
  5. Step 5: Solve for x
    x = 195,013,235,997,353.78/12,456,501.40
  6. Step 6: Final answer
    x = 15,655,538.40

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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.