Home / 12,272,677.50-18,411,673.59-4,699,643.52

Finding the Fourth Proportional to 12,272,677.50, 18,411,673.59 and 4,699,643.52

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Solution

The fourth proportional to 12,272,677.50, 18,411,673.59 and 4,699,643.52 is: 7,050,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,677.50 : 18,411,673.59 = 4,699,643.52 : x
  2. Step 2: Convert to fraction form
    12,272,677.50/18,411,673.59 = 4,699,643.52/x
  3. Step 3: Cross multiply
    12,272,677.50x = 18,411,673.59 × 4,699,643.52
  4. Step 4: Simplify right side
    12,272,677.50x = 86,528,302,479,598.62
  5. Step 5: Solve for x
    x = 86,528,302,479,598.62/12,272,677.50
  6. Step 6: Final answer
    x = 7,050,482.87

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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.