Home / 14,036,421.60-21,053,077.20-11,507,666.40

Finding the Fourth Proportional to 14,036,421.60, 21,053,077.20 and 11,507,666.40

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Solution

The fourth proportional to 14,036,421.60, 21,053,077.20 and 11,507,666.40 is: 17,260,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,421.60 : 21,053,077.20 = 11,507,666.40 : x
  2. Step 2: Convert to fraction form
    14,036,421.60/21,053,077.20 = 11,507,666.40/x
  3. Step 3: Cross multiply
    14,036,421.60x = 21,053,077.20 × 11,507,666.40
  4. Step 4: Simplify right side
    14,036,421.60x = 242,271,789,111,046.09
  5. Step 5: Solve for x
    x = 242,271,789,111,046.09/14,036,421.60
  6. Step 6: Final answer
    x = 17,260,224.58

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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.