Home / 5,413,055.90-8,121,657.45-5,328,038.30

Finding the Fourth Proportional to 5,413,055.90, 8,121,657.45 and 5,328,038.30

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Solution

The fourth proportional to 5,413,055.90, 8,121,657.45 and 5,328,038.30 is: 7,994,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,055.90 : 8,121,657.45 = 5,328,038.30 : x
  2. Step 2: Convert to fraction form
    5,413,055.90/8,121,657.45 = 5,328,038.30/x
  3. Step 3: Cross multiply
    5,413,055.90x = 8,121,657.45 × 5,328,038.30
  4. Step 4: Simplify right side
    5,413,055.90x = 43,272,501,953,080.34
  5. Step 5: Solve for x
    x = 43,272,501,953,080.34/5,413,055.90
  6. Step 6: Final answer
    x = 7,994,098.48

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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.