Home / 19,316,018.40-28,974,027.60-7,952,690.40

Finding the Fourth Proportional to 19,316,018.40, 28,974,027.60 and 7,952,690.40

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Solution

The fourth proportional to 19,316,018.40, 28,974,027.60 and 7,952,690.40 is: 11,929,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,018.40 : 28,974,027.60 = 7,952,690.40 : x
  2. Step 2: Convert to fraction form
    19,316,018.40/28,974,027.60 = 7,952,690.40/x
  3. Step 3: Cross multiply
    19,316,018.40x = 28,974,027.60 × 7,952,690.40
  4. Step 4: Simplify right side
    19,316,018.40x = 230,421,471,143,855.06
  5. Step 5: Solve for x
    x = 230,421,471,143,855.06/19,316,018.40
  6. Step 6: Final answer
    x = 11,929,035.60

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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.