Home / 13,829,124.78-19,083,692.07-7,634,038.50

Finding the Fourth Proportional to 13,829,124.78, 19,083,692.07 and 7,634,038.50

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Solution

The fourth proportional to 13,829,124.78, 19,083,692.07 and 7,634,038.50 is: 10,534,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829,124.78 : 19,083,692.07 = 7,634,038.50 : x
  2. Step 2: Convert to fraction form
    13,829,124.78/19,083,692.07 = 7,634,038.50/x
  3. Step 3: Cross multiply
    13,829,124.78x = 19,083,692.07 × 7,634,038.50
  4. Step 4: Simplify right side
    13,829,124.78x = 145,685,639,984,524.69
  5. Step 5: Solve for x
    x = 145,685,639,984,524.69/13,829,124.78
  6. Step 6: Final answer
    x = 10,534,697.05

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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.