Home / 9,778,970.42-13,495,833.16-5,705,901.62

Finding the Fourth Proportional to 9,778,970.42, 13,495,833.16 and 5,705,901.62

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Solution

The fourth proportional to 9,778,970.42, 13,495,833.16 and 5,705,901.62 is: 7,874,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,970.42 : 13,495,833.16 = 5,705,901.62 : x
  2. Step 2: Convert to fraction form
    9,778,970.42/13,495,833.16 = 5,705,901.62/x
  3. Step 3: Cross multiply
    9,778,970.42x = 13,495,833.16 × 5,705,901.62
  4. Step 4: Simplify right side
    9,778,970.42x = 77,005,896,209,149.81
  5. Step 5: Solve for x
    x = 77,005,896,209,149.81/9,778,970.42
  6. Step 6: Final answer
    x = 7,874,642.52

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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.