Home / 28,066,547.40-42,099,821.10-15,973,312.20

Finding the Fourth Proportional to 28,066,547.40, 42,099,821.10 and 15,973,312.20

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Solution

The fourth proportional to 28,066,547.40, 42,099,821.10 and 15,973,312.20 is: 23,959,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,547.40 : 42,099,821.10 = 15,973,312.20 : x
  2. Step 2: Convert to fraction form
    28,066,547.40/42,099,821.10 = 15,973,312.20/x
  3. Step 3: Cross multiply
    28,066,547.40x = 42,099,821.10 × 15,973,312.20
  4. Step 4: Simplify right side
    28,066,547.40x = 672,473,585,994,447.38
  5. Step 5: Solve for x
    x = 672,473,585,994,447.38/28,066,547.40
  6. Step 6: Final answer
    x = 23,959,968.30

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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.