Home / 15,237,830.58-21,027,114.45-8,711,735.10

Finding the Fourth Proportional to 15,237,830.58, 21,027,114.45 and 8,711,735.10

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Solution

The fourth proportional to 15,237,830.58, 21,027,114.45 and 8,711,735.10 is: 12,021,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,830.58 : 21,027,114.45 = 8,711,735.10 : x
  2. Step 2: Convert to fraction form
    15,237,830.58/21,027,114.45 = 8,711,735.10/x
  3. Step 3: Cross multiply
    15,237,830.58x = 21,027,114.45 × 8,711,735.10
  4. Step 4: Simplify right side
    15,237,830.58x = 183,182,651,005,782.19
  5. Step 5: Solve for x
    x = 183,182,651,005,782.19/15,237,830.58
  6. Step 6: Final answer
    x = 12,021,570.27

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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.