Home / 30,974,554.60-46,461,831.90-18,881,319.40

Finding the Fourth Proportional to 30,974,554.60, 46,461,831.90 and 18,881,319.40

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Solution

The fourth proportional to 30,974,554.60, 46,461,831.90 and 18,881,319.40 is: 28,321,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974,554.60 : 46,461,831.90 = 18,881,319.40 : x
  2. Step 2: Convert to fraction form
    30,974,554.60/46,461,831.90 = 18,881,319.40/x
  3. Step 3: Cross multiply
    30,974,554.60x = 46,461,831.90 × 18,881,319.40
  4. Step 4: Simplify right side
    30,974,554.60x = 877,260,688,013,008.75
  5. Step 5: Solve for x
    x = 877,260,688,013,008.75/30,974,554.60
  6. Step 6: Final answer
    x = 28,321,979.10

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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.