Home / 28,533,518.10-39,376,353.39-15,480,835.06

Finding the Fourth Proportional to 28,533,518.10, 39,376,353.39 and 15,480,835.06

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Solution

The fourth proportional to 28,533,518.10, 39,376,353.39 and 15,480,835.06 is: 21,363,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533,518.10 : 39,376,353.39 = 15,480,835.06 : x
  2. Step 2: Convert to fraction form
    28,533,518.10/39,376,353.39 = 15,480,835.06/x
  3. Step 3: Cross multiply
    28,533,518.10x = 39,376,353.39 × 15,480,835.06
  4. Step 4: Simplify right side
    28,533,518.10x = 609,578,832,017,457.62
  5. Step 5: Solve for x
    x = 609,578,832,017,457.62/28,533,518.10
  6. Step 6: Final answer
    x = 21,363,605.78

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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.