Home / 42,709,714.54-64,075,484.94-12,417,577.54

Finding the Fourth Proportional to 42,709,714.54, 64,075,484.94 and 12,417,577.54

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Solution

The fourth proportional to 42,709,714.54, 64,075,484.94 and 12,417,577.54 is: 18,629,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,714.54 : 64,075,484.94 = 12,417,577.54 : x
  2. Step 2: Convert to fraction form
    42,709,714.54/64,075,484.94 = 12,417,577.54/x
  3. Step 3: Cross multiply
    42,709,714.54x = 64,075,484.94 × 12,417,577.54
  4. Step 4: Simplify right side
    42,709,714.54x = 795,662,302,655,552.12
  5. Step 5: Solve for x
    x = 795,662,302,655,552.12/42,709,714.54
  6. Step 6: Final answer
    x = 18,629,539.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.