Home / 15,342,141.48-21,180,114.54-11,207,530.50

Finding the Fourth Proportional to 15,342,141.48, 21,180,114.54 and 11,207,530.50

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Solution

The fourth proportional to 15,342,141.48, 21,180,114.54 and 11,207,530.50 is: 15,472,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,141.48 : 21,180,114.54 = 11,207,530.50 : x
  2. Step 2: Convert to fraction form
    15,342,141.48/21,180,114.54 = 11,207,530.50/x
  3. Step 3: Cross multiply
    15,342,141.48x = 21,180,114.54 × 11,207,530.50
  4. Step 4: Simplify right side
    15,342,141.48x = 237,376,779,700,543.47
  5. Step 5: Solve for x
    x = 237,376,779,700,543.47/15,342,141.48
  6. Step 6: Final answer
    x = 15,472,206.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.