Home / 30,245,142.96-41,742,356.40-19,232,985.60

Finding the Fourth Proportional to 30,245,142.96, 41,742,356.40 and 19,232,985.60

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Solution

The fourth proportional to 30,245,142.96, 41,742,356.40 and 19,232,985.60 is: 26,544,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245,142.96 : 41,742,356.40 = 19,232,985.60 : x
  2. Step 2: Convert to fraction form
    30,245,142.96/41,742,356.40 = 19,232,985.60/x
  3. Step 3: Cross multiply
    30,245,142.96x = 41,742,356.40 × 19,232,985.60
  4. Step 4: Simplify right side
    30,245,142.96x = 802,830,139,551,267.88
  5. Step 5: Solve for x
    x = 802,830,139,551,267.88/30,245,142.96
  6. Step 6: Final answer
    x = 26,544,101.33

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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.