Finding the Fourth Proportional to 19,937,502.26, 29,911,569.86 and 7,158,117.68
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Solution
The fourth proportional to 19,937,502.26, 29,911,569.86 and 7,158,117.68 is: 10,739,085.28
Step by Step Solution
- Step 1: Write the proportion equation
19,937,502.26 : 29,911,569.86 = 7,158,117.68 : x - Step 2: Convert to fraction form
19,937,502.26/29,911,569.86 = 7,158,117.68/x - Step 3: Cross multiply
19,937,502.26x = 29,911,569.86 × 7,158,117.68 - Step 4: Simplify right side
19,937,502.26x = 214,110,537,159,915.12 - Step 5: Solve for x
x = 214,110,537,159,915.12/19,937,502.26 - Step 6: Final answer
x = 10,739,085.28
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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.