Home / 7,139,578.10-9,860,729.94-4,812,457.01

Finding the Fourth Proportional to 7,139,578.10, 9,860,729.94 and 4,812,457.01

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Solution

The fourth proportional to 7,139,578.10, 9,860,729.94 and 4,812,457.01 is: 6,646,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,578.10 : 9,860,729.94 = 4,812,457.01 : x
  2. Step 2: Convert to fraction form
    7,139,578.10/9,860,729.94 = 4,812,457.01/x
  3. Step 3: Cross multiply
    7,139,578.10x = 9,860,729.94 × 4,812,457.01
  4. Step 4: Simplify right side
    7,139,578.10x = 47,454,338,874,166.23
  5. Step 5: Solve for x
    x = 47,454,338,874,166.23/7,139,578.10
  6. Step 6: Final answer
    x = 6,646,658.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.