Home / 18,452,030.40-27,678,045.60-9,842,686.20

Finding the Fourth Proportional to 18,452,030.40, 27,678,045.60 and 9,842,686.20

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Solution

The fourth proportional to 18,452,030.40, 27,678,045.60 and 9,842,686.20 is: 14,764,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,030.40 : 27,678,045.60 = 9,842,686.20 : x
  2. Step 2: Convert to fraction form
    18,452,030.40/27,678,045.60 = 9,842,686.20/x
  3. Step 3: Cross multiply
    18,452,030.40x = 27,678,045.60 × 9,842,686.20
  4. Step 4: Simplify right side
    18,452,030.40x = 272,426,317,470,090.72
  5. Step 5: Solve for x
    x = 272,426,317,470,090.72/18,452,030.40
  6. Step 6: Final answer
    x = 14,764,029.30

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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.