Home / 9,838,966.19-13,578,381.54-5,428,670.20

Finding the Fourth Proportional to 9,838,966.19, 13,578,381.54 and 5,428,670.20

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Solution

The fourth proportional to 9,838,966.19, 13,578,381.54 and 5,428,670.20 is: 7,491,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838,966.19 : 13,578,381.54 = 5,428,670.20 : x
  2. Step 2: Convert to fraction form
    9,838,966.19/13,578,381.54 = 5,428,670.20/x
  3. Step 3: Cross multiply
    9,838,966.19x = 13,578,381.54 × 5,428,670.20
  4. Step 4: Simplify right side
    9,838,966.19x = 73,712,555,196,482.14
  5. Step 5: Solve for x
    x = 73,712,555,196,482.14/9,838,966.19
  6. Step 6: Final answer
    x = 7,491,900.45

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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.