Home / 30,877,681.58-46,306,765.40-10,402,629.98

Finding the Fourth Proportional to 30,877,681.58, 46,306,765.40 and 10,402,629.98

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Solution

The fourth proportional to 30,877,681.58, 46,306,765.40 and 10,402,629.98 is: 15,600,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877,681.58 : 46,306,765.40 = 10,402,629.98 : x
  2. Step 2: Convert to fraction form
    30,877,681.58/46,306,765.40 = 10,402,629.98/x
  3. Step 3: Cross multiply
    30,877,681.58x = 46,306,765.40 × 10,402,629.98
  4. Step 4: Simplify right side
    30,877,681.58x = 481,712,145,743,319.75
  5. Step 5: Solve for x
    x = 481,712,145,743,319.75/30,877,681.58
  6. Step 6: Final answer
    x = 15,600,657.86

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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.