Home / 28,119,360.88-42,168,136.54-9,671,798.09

Finding the Fourth Proportional to 28,119,360.88, 42,168,136.54 and 9,671,798.09

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Solution

The fourth proportional to 28,119,360.88, 42,168,136.54 and 9,671,798.09 is: 14,503,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,360.88 : 42,168,136.54 = 9,671,798.09 : x
  2. Step 2: Convert to fraction form
    28,119,360.88/42,168,136.54 = 9,671,798.09/x
  3. Step 3: Cross multiply
    28,119,360.88x = 42,168,136.54 × 9,671,798.09
  4. Step 4: Simplify right side
    28,119,360.88x = 407,841,702,446,431.19
  5. Step 5: Solve for x
    x = 407,841,702,446,431.19/28,119,360.88
  6. Step 6: Final answer
    x = 14,503,946.38

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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.