Home / 15,501,875.22-21,396,384.54-12,010,307.88

Finding the Fourth Proportional to 15,501,875.22, 21,396,384.54 and 12,010,307.88

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Solution

The fourth proportional to 15,501,875.22, 21,396,384.54 and 12,010,307.88 is: 16,577,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501,875.22 : 21,396,384.54 = 12,010,307.88 : x
  2. Step 2: Convert to fraction form
    15,501,875.22/21,396,384.54 = 12,010,307.88/x
  3. Step 3: Cross multiply
    15,501,875.22x = 21,396,384.54 × 12,010,307.88
  4. Step 4: Simplify right side
    15,501,875.22x = 256,977,165,844,272.19
  5. Step 5: Solve for x
    x = 256,977,165,844,272.19/15,501,875.22
  6. Step 6: Final answer
    x = 16,577,166.45

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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.