Home / 10,316,369.80-15,474,554.70-9,879,531.40

Finding the Fourth Proportional to 10,316,369.80, 15,474,554.70 and 9,879,531.40

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Solution

The fourth proportional to 10,316,369.80, 15,474,554.70 and 9,879,531.40 is: 14,819,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316,369.80 : 15,474,554.70 = 9,879,531.40 : x
  2. Step 2: Convert to fraction form
    10,316,369.80/15,474,554.70 = 9,879,531.40/x
  3. Step 3: Cross multiply
    10,316,369.80x = 15,474,554.70 × 9,879,531.40
  4. Step 4: Simplify right side
    10,316,369.80x = 152,881,349,059,667.59
  5. Step 5: Solve for x
    x = 152,881,349,059,667.59/10,316,369.80
  6. Step 6: Final answer
    x = 14,819,297.10

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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.