Home / 9,521,368.14-13,148,455.74-6,628,668.80

Finding the Fourth Proportional to 9,521,368.14, 13,148,455.74 and 6,628,668.80

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Solution

The fourth proportional to 9,521,368.14, 13,148,455.74 and 6,628,668.80 is: 9,153,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521,368.14 : 13,148,455.74 = 6,628,668.80 : x
  2. Step 2: Convert to fraction form
    9,521,368.14/13,148,455.74 = 6,628,668.80/x
  3. Step 3: Cross multiply
    9,521,368.14x = 13,148,455.74 × 6,628,668.80
  4. Step 4: Simplify right side
    9,521,368.14x = 87,156,758,331,918.91
  5. Step 5: Solve for x
    x = 87,156,758,331,918.91/9,521,368.14
  6. Step 6: Final answer
    x = 9,153,806.16

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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.