Home / 19,868,094.72-29,796,802.56-5,487,782.40

Finding the Fourth Proportional to 19,868,094.72, 29,796,802.56 and 5,487,782.40

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Solution

The fourth proportional to 19,868,094.72, 29,796,802.56 and 5,487,782.40 is: 8,230,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868,094.72 : 29,796,802.56 = 5,487,782.40 : x
  2. Step 2: Convert to fraction form
    19,868,094.72/29,796,802.56 = 5,487,782.40/x
  3. Step 3: Cross multiply
    19,868,094.72x = 29,796,802.56 × 5,487,782.40
  4. Step 4: Simplify right side
    19,868,094.72x = 163,518,368,665,042.94
  5. Step 5: Solve for x
    x = 163,518,368,665,042.94/19,868,094.72
  6. Step 6: Final answer
    x = 8,230,198.77

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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.