Home / 28,507,061.76-42,762,988.80-9,337,413.12

Finding the Fourth Proportional to 28,507,061.76, 42,762,988.80 and 9,337,413.12

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Solution

The fourth proportional to 28,507,061.76, 42,762,988.80 and 9,337,413.12 is: 14,006,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507,061.76 : 42,762,988.80 = 9,337,413.12 : x
  2. Step 2: Convert to fraction form
    28,507,061.76/42,762,988.80 = 9,337,413.12/x
  3. Step 3: Cross multiply
    28,507,061.76x = 42,762,988.80 × 9,337,413.12
  4. Step 4: Simplify right side
    28,507,061.76x = 399,295,692,671,533
  5. Step 5: Solve for x
    x = 399,295,692,671,533/28,507,061.76
  6. Step 6: Final answer
    x = 14,006,904.54

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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.