Home / 12,997,692.84-17,937,376.48-7,196,474.40

Finding the Fourth Proportional to 12,997,692.84, 17,937,376.48 and 7,196,474.40

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Solution

The fourth proportional to 12,997,692.84, 17,937,376.48 and 7,196,474.40 is: 9,931,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,692.84 : 17,937,376.48 = 7,196,474.40 : x
  2. Step 2: Convert to fraction form
    12,997,692.84/17,937,376.48 = 7,196,474.40/x
  3. Step 3: Cross multiply
    12,997,692.84x = 17,937,376.48 × 7,196,474.40
  4. Step 4: Simplify right side
    12,997,692.84x = 129,085,870,754,802.83
  5. Step 5: Solve for x
    x = 129,085,870,754,802.83/12,997,692.84
  6. Step 6: Final answer
    x = 9,931,444.94

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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.