Home / 12,778,001.08-19,167,299.72-4,259,030.20

Finding the Fourth Proportional to 12,778,001.08, 19,167,299.72 and 4,259,030.20

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Solution

The fourth proportional to 12,778,001.08, 19,167,299.72 and 4,259,030.20 is: 6,388,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,778,001.08 : 19,167,299.72 = 4,259,030.20 : x
  2. Step 2: Convert to fraction form
    12,778,001.08/19,167,299.72 = 4,259,030.20/x
  3. Step 3: Cross multiply
    12,778,001.08x = 19,167,299.72 × 4,259,030.20
  4. Step 4: Simplify right side
    12,778,001.08x = 81,634,108,359,931.55
  5. Step 5: Solve for x
    x = 81,634,108,359,931.55/12,778,001.08
  6. Step 6: Final answer
    x = 6,388,644.66

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1.5x scale

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.