Home / 38,459,599.67-53,074,403.04-21,057,564.13

Finding the Fourth Proportional to 38,459,599.67, 53,074,403.04 and 21,057,564.13

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Solution

The fourth proportional to 38,459,599.67, 53,074,403.04 and 21,057,564.13 is: 29,059,523.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,599.67 : 53,074,403.04 = 21,057,564.13 : x
  2. Step 2: Convert to fraction form
    38,459,599.67/53,074,403.04 = 21,057,564.13/x
  3. Step 3: Cross multiply
    38,459,599.67x = 53,074,403.04 × 21,057,564.13
  4. Step 4: Simplify right side
    38,459,599.67x = 1,117,617,645,622,547
  5. Step 5: Solve for x
    x = 1,117,617,645,622,547/38,459,599.67
  6. Step 6: Final answer
    x = 29,059,523.63

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1.5x scale

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.