Home / 15,426,646.16-21,288,310.87-8,457,085.51

Finding the Fourth Proportional to 15,426,646.16, 21,288,310.87 and 8,457,085.51

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Solution

The fourth proportional to 15,426,646.16, 21,288,310.87 and 8,457,085.51 is: 11,670,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,646.16 : 21,288,310.87 = 8,457,085.51 : x
  2. Step 2: Convert to fraction form
    15,426,646.16/21,288,310.87 = 8,457,085.51/x
  3. Step 3: Cross multiply
    15,426,646.16x = 21,288,310.87 × 8,457,085.51
  4. Step 4: Simplify right side
    15,426,646.16x = 180,037,065,452,292.81
  5. Step 5: Solve for x
    x = 180,037,065,452,292.81/15,426,646.16
  6. Step 6: Final answer
    x = 11,670,525.37

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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.