Home / 21,832,467.20-32,685,715.20-19,564,985.60

Finding the Fourth Proportional to 21,832,467.20, 32,685,715.20 and 19,564,985.60

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Solution

The fourth proportional to 21,832,467.20, 32,685,715.20 and 19,564,985.60 is: 29,291,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832,467.20 : 32,685,715.20 = 19,564,985.60 : x
  2. Step 2: Convert to fraction form
    21,832,467.20/32,685,715.20 = 19,564,985.60/x
  3. Step 3: Cross multiply
    21,832,467.20x = 32,685,715.20 × 19,564,985.60
  4. Step 4: Simplify right side
    21,832,467.20x = 639,495,547,213,701.12
  5. Step 5: Solve for x
    x = 639,495,547,213,701.12/21,832,467.20
  6. Step 6: Final answer
    x = 29,291,034.37

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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.