Home / 30,877,671.60-46,316,507.40-13,871,559.60

Finding the Fourth Proportional to 30,877,671.60, 46,316,507.40 and 13,871,559.60

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Solution

The fourth proportional to 30,877,671.60, 46,316,507.40 and 13,871,559.60 is: 20,807,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877,671.60 : 46,316,507.40 = 13,871,559.60 : x
  2. Step 2: Convert to fraction form
    30,877,671.60/46,316,507.40 = 13,871,559.60/x
  3. Step 3: Cross multiply
    30,877,671.60x = 46,316,507.40 × 13,871,559.60
  4. Step 4: Simplify right side
    30,877,671.60x = 642,482,192,862,941
  5. Step 5: Solve for x
    x = 642,482,192,862,941/30,877,671.60
  6. Step 6: Final answer
    x = 20,807,339.40

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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.