Home / 6,429,192.80-9,654,848.40-4,549,128.80

Finding the Fourth Proportional to 6,429,192.80, 9,654,848.40 and 4,549,128.80

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Solution

The fourth proportional to 6,429,192.80, 9,654,848.40 and 4,549,128.80 is: 6,831,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429,192.80 : 9,654,848.40 = 4,549,128.80 : x
  2. Step 2: Convert to fraction form
    6,429,192.80/9,654,848.40 = 4,549,128.80/x
  3. Step 3: Cross multiply
    6,429,192.80x = 9,654,848.40 × 4,549,128.80
  4. Step 4: Simplify right side
    6,429,192.80x = 43,921,148,916,073.92
  5. Step 5: Solve for x
    x = 43,921,148,916,073.92/6,429,192.80
  6. Step 6: Final answer
    x = 6,831,518.40

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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.