Home / 21,298,445.04-31,947,667.50-5,124,396.54

Finding the Fourth Proportional to 21,298,445.04, 31,947,667.50 and 5,124,396.54

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Solution

The fourth proportional to 21,298,445.04, 31,947,667.50 and 5,124,396.54 is: 7,686,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298,445.04 : 31,947,667.50 = 5,124,396.54 : x
  2. Step 2: Convert to fraction form
    21,298,445.04/31,947,667.50 = 5,124,396.54/x
  3. Step 3: Cross multiply
    21,298,445.04x = 31,947,667.50 × 5,124,396.54
  4. Step 4: Simplify right side
    21,298,445.04x = 163,712,516,798,070.44
  5. Step 5: Solve for x
    x = 163,712,516,798,070.44/21,298,445.04
  6. Step 6: Final answer
    x = 7,686,594.80

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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.