Home / 12,615,291.90-18,923,539.29-6,130,641.42

Finding the Fourth Proportional to 12,615,291.90, 18,923,539.29 and 6,130,641.42

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Solution

The fourth proportional to 12,615,291.90, 18,923,539.29 and 6,130,641.42 is: 9,196,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,615,291.90 : 18,923,539.29 = 6,130,641.42 : x
  2. Step 2: Convert to fraction form
    12,615,291.90/18,923,539.29 = 6,130,641.42/x
  3. Step 3: Cross multiply
    12,615,291.90x = 18,923,539.29 × 6,130,641.42
  4. Step 4: Simplify right side
    12,615,291.90x = 116,013,433,784,271.39
  5. Step 5: Solve for x
    x = 116,013,433,784,271.39/12,615,291.90
  6. Step 6: Final answer
    x = 9,196,254.41

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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.