Home / 12,300,076.60-18,464,111.70-7,254,230.20

Finding the Fourth Proportional to 12,300,076.60, 18,464,111.70 and 7,254,230.20

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Solution

The fourth proportional to 12,300,076.60, 18,464,111.70 and 7,254,230.20 is: 10,889,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,076.60 : 18,464,111.70 = 7,254,230.20 : x
  2. Step 2: Convert to fraction form
    12,300,076.60/18,464,111.70 = 7,254,230.20/x
  3. Step 3: Cross multiply
    12,300,076.60x = 18,464,111.70 × 7,254,230.20
  4. Step 4: Simplify right side
    12,300,076.60x = 133,942,916,710,313.34
  5. Step 5: Solve for x
    x = 133,942,916,710,313.34/12,300,076.60
  6. Step 6: Final answer
    x = 10,889,600.21

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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.