Home / 28,677,681.10-43,016,482.57-13,316,570.97

Finding the Fourth Proportional to 28,677,681.10, 43,016,482.57 and 13,316,570.97

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Solution

The fourth proportional to 28,677,681.10, 43,016,482.57 and 13,316,570.97 is: 19,974,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,681.10 : 43,016,482.57 = 13,316,570.97 : x
  2. Step 2: Convert to fraction form
    28,677,681.10/43,016,482.57 = 13,316,570.97/x
  3. Step 3: Cross multiply
    28,677,681.10x = 43,016,482.57 × 13,316,570.97
  4. Step 4: Simplify right side
    28,677,681.10x = 572,832,042,741,507.62
  5. Step 5: Solve for x
    x = 572,832,042,741,507.62/28,677,681.10
  6. Step 6: Final answer
    x = 19,974,838.30

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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.