Home / 27,483,482.96-37,941,931.16-21,190,265.40

Finding the Fourth Proportional to 27,483,482.96, 37,941,931.16 and 21,190,265.40

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Solution

The fourth proportional to 27,483,482.96, 37,941,931.16 and 21,190,265.40 is: 29,253,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,483,482.96 : 37,941,931.16 = 21,190,265.40 : x
  2. Step 2: Convert to fraction form
    27,483,482.96/37,941,931.16 = 21,190,265.40/x
  3. Step 3: Cross multiply
    27,483,482.96x = 37,941,931.16 × 21,190,265.40
  4. Step 4: Simplify right side
    27,483,482.96x = 803,999,591,068,929.75
  5. Step 5: Solve for x
    x = 803,999,591,068,929.75/27,483,482.96
  6. Step 6: Final answer
    x = 29,253,919.24

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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.