Home / 15,287,412.51-21,097,211.37-8,762,301.18

Finding the Fourth Proportional to 15,287,412.51, 21,097,211.37 and 8,762,301.18

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Solution

The fourth proportional to 15,287,412.51, 21,097,211.37 and 8,762,301.18 is: 12,092,309.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,412.51 : 21,097,211.37 = 8,762,301.18 : x
  2. Step 2: Convert to fraction form
    15,287,412.51/21,097,211.37 = 8,762,301.18/x
  3. Step 3: Cross multiply
    15,287,412.51x = 21,097,211.37 × 8,762,301.18
  4. Step 4: Simplify right side
    15,287,412.51x = 184,860,120,082,060.41
  5. Step 5: Solve for x
    x = 184,860,120,082,060.41/15,287,412.51
  6. Step 6: Final answer
    x = 12,092,309.27

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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.