Home / 21,066,102.30-31,607,026.65-8,295,509.46

Finding the Fourth Proportional to 21,066,102.30, 31,607,026.65 and 8,295,509.46

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Solution

The fourth proportional to 21,066,102.30, 31,607,026.65 and 8,295,509.46 is: 12,446,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,102.30 : 31,607,026.65 = 8,295,509.46 : x
  2. Step 2: Convert to fraction form
    21,066,102.30/31,607,026.65 = 8,295,509.46/x
  3. Step 3: Cross multiply
    21,066,102.30x = 31,607,026.65 × 8,295,509.46
  4. Step 4: Simplify right side
    21,066,102.30x = 262,196,388,577,547.09
  5. Step 5: Solve for x
    x = 262,196,388,577,547.09/21,066,102.30
  6. Step 6: Final answer
    x = 12,446,364.54

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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.