Home / 19,371,813.17-28,989,471.25-12,088,699.77

Finding the Fourth Proportional to 19,371,813.17, 28,989,471.25 and 12,088,699.77

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Solution

The fourth proportional to 19,371,813.17, 28,989,471.25 and 12,088,699.77 is: 18,090,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371,813.17 : 28,989,471.25 = 12,088,699.77 : x
  2. Step 2: Convert to fraction form
    19,371,813.17/28,989,471.25 = 12,088,699.77/x
  3. Step 3: Cross multiply
    19,371,813.17x = 28,989,471.25 × 12,088,699.77
  4. Step 4: Simplify right side
    19,371,813.17x = 350,445,014,447,407.44
  5. Step 5: Solve for x
    x = 350,445,014,447,407.44/19,371,813.17
  6. Step 6: Final answer
    x = 18,090,460.17

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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.