Home / 14,412,136-19,889,000.40-7,886,337.16

Finding the Fourth Proportional to 14,412,136, 19,889,000.40 and 7,886,337.16

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Solution

The fourth proportional to 14,412,136, 19,889,000.40 and 7,886,337.16 is: 10,883,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,136 : 19,889,000.40 = 7,886,337.16 : x
  2. Step 2: Convert to fraction form
    14,412,136/19,889,000.40 = 7,886,337.16/x
  3. Step 3: Cross multiply
    14,412,136x = 19,889,000.40 × 7,886,337.16
  4. Step 4: Simplify right side
    14,412,136x = 156,851,362,929,774.84
  5. Step 5: Solve for x
    x = 156,851,362,929,774.84/14,412,136
  6. Step 6: Final answer
    x = 10,883,283.57

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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.