Home / 14,435,063.36-19,920,386.87-7,908,940.34

Finding the Fourth Proportional to 14,435,063.36, 19,920,386.87 and 7,908,940.34

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Solution

The fourth proportional to 14,435,063.36, 19,920,386.87 and 7,908,940.34 is: 10,914,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435,063.36 : 19,920,386.87 = 7,908,940.34 : x
  2. Step 2: Convert to fraction form
    14,435,063.36/19,920,386.87 = 7,908,940.34/x
  3. Step 3: Cross multiply
    14,435,063.36x = 19,920,386.87 × 7,908,940.34
  4. Step 4: Simplify right side
    14,435,063.36x = 157,549,151,165,402.69
  5. Step 5: Solve for x
    x = 157,549,151,165,402.69/14,435,063.36
  6. Step 6: Final answer
    x = 10,914,337.35

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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.