Home / 9,018,889.96-13,541,829.02-7,808,210.76

Finding the Fourth Proportional to 9,018,889.96, 13,541,829.02 and 7,808,210.76

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Solution

The fourth proportional to 9,018,889.96, 13,541,829.02 and 7,808,210.76 is: 11,723,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,889.96 : 13,541,829.02 = 7,808,210.76 : x
  2. Step 2: Convert to fraction form
    9,018,889.96/13,541,829.02 = 7,808,210.76/x
  3. Step 3: Cross multiply
    9,018,889.96x = 13,541,829.02 × 7,808,210.76
  4. Step 4: Simplify right side
    9,018,889.96x = 105,737,455,064,044.25
  5. Step 5: Solve for x
    x = 105,737,455,064,044.25/9,018,889.96
  6. Step 6: Final answer
    x = 11,723,998.80

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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.