Home / 19,669,547.57-29,502,051.72-5,291,485.43

Finding the Fourth Proportional to 19,669,547.57, 29,502,051.72 and 5,291,485.43

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Solution

The fourth proportional to 19,669,547.57, 29,502,051.72 and 5,291,485.43 is: 7,936,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669,547.57 : 29,502,051.72 = 5,291,485.43 : x
  2. Step 2: Convert to fraction form
    19,669,547.57/29,502,051.72 = 5,291,485.43/x
  3. Step 3: Cross multiply
    19,669,547.57x = 29,502,051.72 × 5,291,485.43
  4. Step 4: Simplify right side
    19,669,547.57x = 156,109,676,683,976.16
  5. Step 5: Solve for x
    x = 156,109,676,683,976.16/19,669,547.57
  6. Step 6: Final answer
    x = 7,936,617.56

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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.