Home / 10,655,671.32-15,987,533.47-6,398,807.04

Finding the Fourth Proportional to 10,655,671.32, 15,987,533.47 and 6,398,807.04

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Solution

The fourth proportional to 10,655,671.32, 15,987,533.47 and 6,398,807.04 is: 9,600,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655,671.32 : 15,987,533.47 = 6,398,807.04 : x
  2. Step 2: Convert to fraction form
    10,655,671.32/15,987,533.47 = 6,398,807.04/x
  3. Step 3: Cross multiply
    10,655,671.32x = 15,987,533.47 × 6,398,807.04
  4. Step 4: Simplify right side
    10,655,671.32x = 102,301,141,720,071.64
  5. Step 5: Solve for x
    x = 102,301,141,720,071.64/10,655,671.32
  6. Step 6: Final answer
    x = 9,600,628.50

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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.