Home / 7,020,705.85-10,531,058.78-5,886,965.05

Finding the Fourth Proportional to 7,020,705.85, 10,531,058.78 and 5,886,965.05

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Solution

The fourth proportional to 7,020,705.85, 10,531,058.78 and 5,886,965.05 is: 8,830,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,705.85 : 10,531,058.78 = 5,886,965.05 : x
  2. Step 2: Convert to fraction form
    7,020,705.85/10,531,058.78 = 5,886,965.05/x
  3. Step 3: Cross multiply
    7,020,705.85x = 10,531,058.78 × 5,886,965.05
  4. Step 4: Simplify right side
    7,020,705.85x = 61,995,974,947,920.81
  5. Step 5: Solve for x
    x = 61,995,974,947,920.81/7,020,705.85
  6. Step 6: Final answer
    x = 8,830,447.58

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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.