Home / 13,772,692.08-19,006,460.64-7,577,820

Finding the Fourth Proportional to 13,772,692.08, 19,006,460.64 and 7,577,820

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Solution

The fourth proportional to 13,772,692.08, 19,006,460.64 and 7,577,820 is: 10,457,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,692.08 : 19,006,460.64 = 7,577,820 : x
  2. Step 2: Convert to fraction form
    13,772,692.08/19,006,460.64 = 7,577,820/x
  3. Step 3: Cross multiply
    13,772,692.08x = 19,006,460.64 × 7,577,820
  4. Step 4: Simplify right side
    13,772,692.08x = 144,027,537,567,004.81
  5. Step 5: Solve for x
    x = 144,027,537,567,004.81/13,772,692.08
  6. Step 6: Final answer
    x = 10,457,471.69

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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.