Home / 19,310,643-26,648,969.76-10,490,258.16

Finding the Fourth Proportional to 19,310,643, 26,648,969.76 and 10,490,258.16

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Solution

The fourth proportional to 19,310,643, 26,648,969.76 and 10,490,258.16 is: 14,476,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310,643 : 26,648,969.76 = 10,490,258.16 : x
  2. Step 2: Convert to fraction form
    19,310,643/26,648,969.76 = 10,490,258.16/x
  3. Step 3: Cross multiply
    19,310,643x = 26,648,969.76 × 10,490,258.16
  4. Step 4: Simplify right side
    19,310,643x = 279,554,572,480,433.25
  5. Step 5: Solve for x
    x = 279,554,572,480,433.25/19,310,643
  6. Step 6: Final answer
    x = 14,476,709.68

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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.