Home / 15,571,840.31-21,333,066.45-14,989,634.18

Finding the Fourth Proportional to 15,571,840.31, 21,333,066.45 and 14,989,634.18

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Solution

The fourth proportional to 15,571,840.31, 21,333,066.45 and 14,989,634.18 is: 20,535,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,840.31 : 21,333,066.45 = 14,989,634.18 : x
  2. Step 2: Convert to fraction form
    15,571,840.31/21,333,066.45 = 14,989,634.18/x
  3. Step 3: Cross multiply
    15,571,840.31x = 21,333,066.45 × 14,989,634.18
  4. Step 4: Simplify right side
    15,571,840.31x = 319,774,861,916,465.94
  5. Step 5: Solve for x
    x = 319,774,861,916,465.94/15,571,840.31
  6. Step 6: Final answer
    x = 20,535,457.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.