Home / 14,238,413.80-21,355,547.10-4,139,981.80

Finding the Fourth Proportional to 14,238,413.80, 21,355,547.10 and 4,139,981.80

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Solution

The fourth proportional to 14,238,413.80, 21,355,547.10 and 4,139,981.80 is: 6,209,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238,413.80 : 21,355,547.10 = 4,139,981.80 : x
  2. Step 2: Convert to fraction form
    14,238,413.80/21,355,547.10 = 4,139,981.80/x
  3. Step 3: Cross multiply
    14,238,413.80x = 21,355,547.10 × 4,139,981.80
  4. Step 4: Simplify right side
    14,238,413.80x = 88,411,576,323,042.78
  5. Step 5: Solve for x
    x = 88,411,576,323,042.78/14,238,413.80
  6. Step 6: Final answer
    x = 6,209,369.78

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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.