Finding the Fourth Proportional to 23,316,210.70, 34,974,316.05 and 18,445,324.30
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Solution
The fourth proportional to 23,316,210.70, 34,974,316.05 and 18,445,324.30 is: 27,667,986.45
Step by Step Solution
- Step 1: Write the proportion equation
23,316,210.70 : 34,974,316.05 = 18,445,324.30 : x - Step 2: Convert to fraction form
23,316,210.70/34,974,316.05 = 18,445,324.30/x - Step 3: Cross multiply
23,316,210.70x = 34,974,316.05 × 18,445,324.30 - Step 4: Simplify right side
23,316,210.70x = 645,112,601,712,945 - Step 5: Solve for x
x = 645,112,601,712,945/23,316,210.70 - Step 6: Final answer
x = 27,667,986.45
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1.5x scale
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.