Home / 30,611,383.60-42,242,114.64-19,008,698.17

Finding the Fourth Proportional to 30,611,383.60, 42,242,114.64 and 19,008,698.17

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Solution

The fourth proportional to 30,611,383.60, 42,242,114.64 and 19,008,698.17 is: 26,231,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,383.60 : 42,242,114.64 = 19,008,698.17 : x
  2. Step 2: Convert to fraction form
    30,611,383.60/42,242,114.64 = 19,008,698.17/x
  3. Step 3: Cross multiply
    30,611,383.60x = 42,242,114.64 × 19,008,698.17
  4. Step 4: Simplify right side
    30,611,383.60x = 802,967,607,254,298.25
  5. Step 5: Solve for x
    x = 802,967,607,254,298.25/30,611,383.60
  6. Step 6: Final answer
    x = 26,231,013.20

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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.