Home / 19,329,891.60-28,994,837.40-10,720,547.40

Finding the Fourth Proportional to 19,329,891.60, 28,994,837.40 and 10,720,547.40

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Solution

The fourth proportional to 19,329,891.60, 28,994,837.40 and 10,720,547.40 is: 16,080,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329,891.60 : 28,994,837.40 = 10,720,547.40 : x
  2. Step 2: Convert to fraction form
    19,329,891.60/28,994,837.40 = 10,720,547.40/x
  3. Step 3: Cross multiply
    19,329,891.60x = 28,994,837.40 × 10,720,547.40
  4. Step 4: Simplify right side
    19,329,891.60x = 310,840,528,701,992.75
  5. Step 5: Solve for x
    x = 310,840,528,701,992.75/19,329,891.60
  6. Step 6: Final answer
    x = 16,080,821.10

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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.