Home / 10,071,483.04-15,111,690.18-5,278,032.64

Finding the Fourth Proportional to 10,071,483.04, 15,111,690.18 and 5,278,032.64

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Solution

The fourth proportional to 10,071,483.04, 15,111,690.18 and 5,278,032.64 is: 7,919,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,483.04 : 15,111,690.18 = 5,278,032.64 : x
  2. Step 2: Convert to fraction form
    10,071,483.04/15,111,690.18 = 5,278,032.64/x
  3. Step 3: Cross multiply
    10,071,483.04x = 15,111,690.18 × 5,278,032.64
  4. Step 4: Simplify right side
    10,071,483.04x = 79,759,994,015,607.47
  5. Step 5: Solve for x
    x = 79,759,994,015,607.47/10,071,483.04
  6. Step 6: Final answer
    x = 7,919,389.20

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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.