Home / 42,572,048.40-63,851,851.80-12,276,752.40

Finding the Fourth Proportional to 42,572,048.40, 63,851,851.80 and 12,276,752.40

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Solution

The fourth proportional to 42,572,048.40, 63,851,851.80 and 12,276,752.40 is: 18,413,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,572,048.40 : 63,851,851.80 = 12,276,752.40 : x
  2. Step 2: Convert to fraction form
    42,572,048.40/63,851,851.80 = 12,276,752.40/x
  3. Step 3: Cross multiply
    42,572,048.40x = 63,851,851.80 × 12,276,752.40
  4. Step 4: Simplify right side
    42,572,048.40x = 783,893,374,830,094.25
  5. Step 5: Solve for x
    x = 783,893,374,830,094.25/42,572,048.40
  6. Step 6: Final answer
    x = 18,413,334.67

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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.