Home / 9,750,878.53-13,456,430.13-5,564,480.04

Finding the Fourth Proportional to 9,750,878.53, 13,456,430.13 and 5,564,480.04

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Solution

The fourth proportional to 9,750,878.53, 13,456,430.13 and 5,564,480.04 is: 7,679,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750,878.53 : 13,456,430.13 = 5,564,480.04 : x
  2. Step 2: Convert to fraction form
    9,750,878.53/13,456,430.13 = 5,564,480.04/x
  3. Step 3: Cross multiply
    9,750,878.53x = 13,456,430.13 × 5,564,480.04
  4. Step 4: Simplify right side
    9,750,878.53x = 74,878,036,868,039.61
  5. Step 5: Solve for x
    x = 74,878,036,868,039.61/9,750,878.53
  6. Step 6: Final answer
    x = 7,679,106.72

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1.5x scale

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.