Home / 14,026,178.93-19,355,937.80-7,831,320.54

Finding the Fourth Proportional to 14,026,178.93, 19,355,937.80 and 7,831,320.54

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Solution

The fourth proportional to 14,026,178.93, 19,355,937.80 and 7,831,320.54 is: 10,807,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026,178.93 : 19,355,937.80 = 7,831,320.54 : x
  2. Step 2: Convert to fraction form
    14,026,178.93/19,355,937.80 = 7,831,320.54/x
  3. Step 3: Cross multiply
    14,026,178.93x = 19,355,937.80 × 7,831,320.54
  4. Step 4: Simplify right side
    14,026,178.93x = 151,582,553,315,678.72
  5. Step 5: Solve for x
    x = 151,582,553,315,678.72/14,026,178.93
  6. Step 6: Final answer
    x = 10,807,116.76

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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.