Home / 15,765,789.51-21,767,547.33-10,197,533.41

Finding the Fourth Proportional to 15,765,789.51, 21,767,547.33 and 10,197,533.41

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Solution

The fourth proportional to 15,765,789.51, 21,767,547.33 and 10,197,533.41 is: 14,079,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765,789.51 : 21,767,547.33 = 10,197,533.41 : x
  2. Step 2: Convert to fraction form
    15,765,789.51/21,767,547.33 = 10,197,533.41/x
  3. Step 3: Cross multiply
    15,765,789.51x = 21,767,547.33 × 10,197,533.41
  4. Step 4: Simplify right side
    15,765,789.51x = 221,975,291,151,431.28
  5. Step 5: Solve for x
    x = 221,975,291,151,431.28/15,765,789.51
  6. Step 6: Final answer
    x = 14,079,554.41

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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.