Home / 31,928,636-47,893,368.72-10,653,500

Finding the Fourth Proportional to 31,928,636, 47,893,368.72 and 10,653,500

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Solution

The fourth proportional to 31,928,636, 47,893,368.72 and 10,653,500 is: 15,980,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,928,636 : 47,893,368.72 = 10,653,500 : x
  2. Step 2: Convert to fraction form
    31,928,636/47,893,368.72 = 10,653,500/x
  3. Step 3: Cross multiply
    31,928,636x = 47,893,368.72 × 10,653,500
  4. Step 4: Simplify right side
    31,928,636x = 510,232,003,658,520
  5. Step 5: Solve for x
    x = 510,232,003,658,520/31,928,636
  6. Step 6: Final answer
    x = 15,980,388.38

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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.