Home / 15,576,357.51-21,496,598.71-8,870,973.68

Finding the Fourth Proportional to 15,576,357.51, 21,496,598.71 and 8,870,973.68

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Solution

The fourth proportional to 15,576,357.51, 21,496,598.71 and 8,870,973.68 is: 12,242,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576,357.51 : 21,496,598.71 = 8,870,973.68 : x
  2. Step 2: Convert to fraction form
    15,576,357.51/21,496,598.71 = 8,870,973.68/x
  3. Step 3: Cross multiply
    15,576,357.51x = 21,496,598.71 × 8,870,973.68
  4. Step 4: Simplify right side
    15,576,357.51x = 190,695,761,397,496
  5. Step 5: Solve for x
    x = 190,695,761,397,496/15,576,357.51
  6. Step 6: Final answer
    x = 12,242,641.53

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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.