Home / 9,670,572.74-13,345,421.95-5,319,990.04

Finding the Fourth Proportional to 9,670,572.74, 13,345,421.95 and 5,319,990.04

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Solution

The fourth proportional to 9,670,572.74, 13,345,421.95 and 5,319,990.04 is: 7,341,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670,572.74 : 13,345,421.95 = 5,319,990.04 : x
  2. Step 2: Convert to fraction form
    9,670,572.74/13,345,421.95 = 5,319,990.04/x
  3. Step 3: Cross multiply
    9,670,572.74x = 13,345,421.95 × 5,319,990.04
  4. Step 4: Simplify right side
    9,670,572.74x = 70,997,511,821,981.53
  5. Step 5: Solve for x
    x = 70,997,511,821,981.53/9,670,572.74
  6. Step 6: Final answer
    x = 7,341,603.62

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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.