Home / 13,776,457.76-19,012,420.32-7,664,899.04

Finding the Fourth Proportional to 13,776,457.76, 19,012,420.32 and 7,664,899.04

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Solution

The fourth proportional to 13,776,457.76, 19,012,420.32 and 7,664,899.04 is: 10,578,066.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,457.76 : 19,012,420.32 = 7,664,899.04 : x
  2. Step 2: Convert to fraction form
    13,776,457.76/19,012,420.32 = 7,664,899.04/x
  3. Step 3: Cross multiply
    13,776,457.76x = 19,012,420.32 × 7,664,899.04
  4. Step 4: Simplify right side
    13,776,457.76x = 145,728,282,258,844.50
  5. Step 5: Solve for x
    x = 145,728,282,258,844.50/13,776,457.76
  6. Step 6: Final answer
    x = 10,578,066.21

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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.