Home / 12,507,411.28-17,258,777.12-7,001,094.48

Finding the Fourth Proportional to 12,507,411.28, 17,258,777.12 and 7,001,094.48

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Solution

The fourth proportional to 12,507,411.28, 17,258,777.12 and 7,001,094.48 is: 9,660,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,411.28 : 17,258,777.12 = 7,001,094.48 : x
  2. Step 2: Convert to fraction form
    12,507,411.28/17,258,777.12 = 7,001,094.48/x
  3. Step 3: Cross multiply
    12,507,411.28x = 17,258,777.12 × 7,001,094.48
  4. Step 4: Simplify right side
    12,507,411.28x = 120,830,329,226,382.31
  5. Step 5: Solve for x
    x = 120,830,329,226,382.31/12,507,411.28
  6. Step 6: Final answer
    x = 9,660,698.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.