Home / 9,174,869.53-12,642,663.58-7,097,268.72

Finding the Fourth Proportional to 9,174,869.53, 12,642,663.58 and 7,097,268.72

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Solution

The fourth proportional to 9,174,869.53, 12,642,663.58 and 7,097,268.72 is: 9,779,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174,869.53 : 12,642,663.58 = 7,097,268.72 : x
  2. Step 2: Convert to fraction form
    9,174,869.53/12,642,663.58 = 7,097,268.72/x
  3. Step 3: Cross multiply
    9,174,869.53x = 12,642,663.58 × 7,097,268.72
  4. Step 4: Simplify right side
    9,174,869.53x = 89,728,380,763,817.22
  5. Step 5: Solve for x
    x = 89,728,380,763,817.22/9,174,869.53
  6. Step 6: Final answer
    x = 9,779,799.10

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1.5x scale

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.