Home / 7,030,821.18-9,702,445.86-4,130,476.44

Finding the Fourth Proportional to 7,030,821.18, 9,702,445.86 and 4,130,476.44

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Solution

The fourth proportional to 7,030,821.18, 9,702,445.86 and 4,130,476.44 is: 5,700,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030,821.18 : 9,702,445.86 = 4,130,476.44 : x
  2. Step 2: Convert to fraction form
    7,030,821.18/9,702,445.86 = 4,130,476.44/x
  3. Step 3: Cross multiply
    7,030,821.18x = 9,702,445.86 × 4,130,476.44
  4. Step 4: Simplify right side
    7,030,821.18x = 40,075,724,035,105.54
  5. Step 5: Solve for x
    x = 40,075,724,035,105.54/7,030,821.18
  6. Step 6: Final answer
    x = 5,700,006.16

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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.