Home / 30,893,386.70-46,340,080.05-8,176,580.30

Finding the Fourth Proportional to 30,893,386.70, 46,340,080.05 and 8,176,580.30

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Solution

The fourth proportional to 30,893,386.70, 46,340,080.05 and 8,176,580.30 is: 12,264,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893,386.70 : 46,340,080.05 = 8,176,580.30 : x
  2. Step 2: Convert to fraction form
    30,893,386.70/46,340,080.05 = 8,176,580.30/x
  3. Step 3: Cross multiply
    30,893,386.70x = 46,340,080.05 × 8,176,580.30
  4. Step 4: Simplify right side
    30,893,386.70x = 378,903,385,637,253
  5. Step 5: Solve for x
    x = 378,903,385,637,253/30,893,386.70
  6. Step 6: Final answer
    x = 12,264,870.45

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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.