Home / 8,642,990.30-11,927,302.04-4,775,483.97

Finding the Fourth Proportional to 8,642,990.30, 11,927,302.04 and 4,775,483.97

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Solution

The fourth proportional to 8,642,990.30, 11,927,302.04 and 4,775,483.97 is: 6,590,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,990.30 : 11,927,302.04 = 4,775,483.97 : x
  2. Step 2: Convert to fraction form
    8,642,990.30/11,927,302.04 = 4,775,483.97/x
  3. Step 3: Cross multiply
    8,642,990.30x = 11,927,302.04 × 4,775,483.97
  4. Step 4: Simplify right side
    8,642,990.30x = 56,958,639,709,307.01
  5. Step 5: Solve for x
    x = 56,958,639,709,307.01/8,642,990.30
  6. Step 6: Final answer
    x = 6,590,154.31

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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.