Home / 18,547,963.80-27,808,985.70-10,971,029.40

Finding the Fourth Proportional to 18,547,963.80, 27,808,985.70 and 10,971,029.40

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Solution

The fourth proportional to 18,547,963.80, 27,808,985.70 and 10,971,029.40 is: 16,448,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,963.80 : 27,808,985.70 = 10,971,029.40 : x
  2. Step 2: Convert to fraction form
    18,547,963.80/27,808,985.70 = 10,971,029.40/x
  3. Step 3: Cross multiply
    18,547,963.80x = 27,808,985.70 × 10,971,029.40
  4. Step 4: Simplify right side
    18,547,963.80x = 305,093,199,698,879.56
  5. Step 5: Solve for x
    x = 305,093,199,698,879.56/18,547,963.80
  6. Step 6: Final answer
    x = 16,448,878.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.