Home / 9,110,547.21-12,572,704.56-5,439,784.56

Finding the Fourth Proportional to 9,110,547.21, 12,572,704.56 and 5,439,784.56

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Solution

The fourth proportional to 9,110,547.21, 12,572,704.56 and 5,439,784.56 is: 7,506,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110,547.21 : 12,572,704.56 = 5,439,784.56 : x
  2. Step 2: Convert to fraction form
    9,110,547.21/12,572,704.56 = 5,439,784.56/x
  3. Step 3: Cross multiply
    9,110,547.21x = 12,572,704.56 × 5,439,784.56
  4. Step 4: Simplify right side
    9,110,547.21x = 68,392,804,142,929.59
  5. Step 5: Solve for x
    x = 68,392,804,142,929.59/9,110,547.21
  6. Step 6: Final answer
    x = 7,506,991.90

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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.