Home / 15,426,646.66-21,288,311.56-8,457,086.02

Finding the Fourth Proportional to 15,426,646.66, 21,288,311.56 and 8,457,086.02

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Solution

The fourth proportional to 15,426,646.66, 21,288,311.56 and 8,457,086.02 is: 11,670,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426,646.66 : 21,288,311.56 = 8,457,086.02 : x
  2. Step 2: Convert to fraction form
    15,426,646.66/21,288,311.56 = 8,457,086.02/x
  3. Step 3: Cross multiply
    15,426,646.66x = 21,288,311.56 × 8,457,086.02
  4. Step 4: Simplify right side
    15,426,646.66x = 180,037,081,977,038.84
  5. Step 5: Solve for x
    x = 180,037,081,977,038.84/15,426,646.66
  6. Step 6: Final answer
    x = 11,670,526.07

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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.