Home / 19,357,346.80-29,047,079.40-7,398,665.20

Finding the Fourth Proportional to 19,357,346.80, 29,047,079.40 and 7,398,665.20

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Solution

The fourth proportional to 19,357,346.80, 29,047,079.40 and 7,398,665.20 is: 11,102,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357,346.80 : 29,047,079.40 = 7,398,665.20 : x
  2. Step 2: Convert to fraction form
    19,357,346.80/29,047,079.40 = 7,398,665.20/x
  3. Step 3: Cross multiply
    19,357,346.80x = 29,047,079.40 × 7,398,665.20
  4. Step 4: Simplify right side
    19,357,346.80x = 214,909,615,518,416.88
  5. Step 5: Solve for x
    x = 214,909,615,518,416.88/19,357,346.80
  6. Step 6: Final answer
    x = 11,102,224.79

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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.