Home / 13,781,441.01-19,018,388.61-7,671,312.93

Finding the Fourth Proportional to 13,781,441.01, 19,018,388.61 and 7,671,312.93

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Solution

The fourth proportional to 13,781,441.01, 19,018,388.61 and 7,671,312.93 is: 10,586,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,781,441.01 : 19,018,388.61 = 7,671,312.93 : x
  2. Step 2: Convert to fraction form
    13,781,441.01/19,018,388.61 = 7,671,312.93/x
  3. Step 3: Cross multiply
    13,781,441.01x = 19,018,388.61 × 7,671,312.93
  4. Step 4: Simplify right side
    13,781,441.01x = 145,896,010,516,406.06
  5. Step 5: Solve for x
    x = 145,896,010,516,406.06/13,781,441.01
  6. Step 6: Final answer
    x = 10,586,411.86

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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.