Finding the Fourth Proportional to 19,423,062.90, 29,134,594.35 and 13,376,445.30
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Solution
The fourth proportional to 19,423,062.90, 29,134,594.35 and 13,376,445.30 is: 20,064,667.95
Step by Step Solution
- Step 1: Write the proportion equation
19,423,062.90 : 29,134,594.35 = 13,376,445.30 : x - Step 2: Convert to fraction form
19,423,062.90/29,134,594.35 = 13,376,445.30/x - Step 3: Cross multiply
19,423,062.90x = 29,134,594.35 × 13,376,445.30 - Step 4: Simplify right side
19,423,062.90x = 389,717,307,660,464.12 - Step 5: Solve for x
x = 389,717,307,660,464.12/19,423,062.90 - Step 6: Final answer
x = 20,064,667.95
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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.