Home / 28,502,369.03-42,738,173.57-12,931,699.33

Finding the Fourth Proportional to 28,502,369.03, 42,738,173.57 and 12,931,699.33

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Solution

The fourth proportional to 28,502,369.03, 42,738,173.57 and 12,931,699.33 is: 19,390,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,369.03 : 42,738,173.57 = 12,931,699.33 : x
  2. Step 2: Convert to fraction form
    28,502,369.03/42,738,173.57 = 12,931,699.33/x
  3. Step 3: Cross multiply
    28,502,369.03x = 42,738,173.57 × 12,931,699.33
  4. Step 4: Simplify right side
    28,502,369.03x = 552,677,210,306,901.81
  5. Step 5: Solve for x
    x = 552,677,210,306,901.81/28,502,369.03
  6. Step 6: Final answer
    x = 19,390,571.00

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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.