Home / 30,579,693.63-42,199,984.13-16,828,657.76

Finding the Fourth Proportional to 30,579,693.63, 42,199,984.13 and 16,828,657.76

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Solution

The fourth proportional to 30,579,693.63, 42,199,984.13 and 16,828,657.76 is: 23,223,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,693.63 : 42,199,984.13 = 16,828,657.76 : x
  2. Step 2: Convert to fraction form
    30,579,693.63/42,199,984.13 = 16,828,657.76/x
  3. Step 3: Cross multiply
    30,579,693.63x = 42,199,984.13 × 16,828,657.76
  4. Step 4: Simplify right side
    30,579,693.63x = 710,169,090,125,807.75
  5. Step 5: Solve for x
    x = 710,169,090,125,807.75/30,579,693.63
  6. Step 6: Final answer
    x = 23,223,551.51

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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.