Finding the Fourth Proportional to 29,262,031.92, 40,395,606.84 and 19,488,740.40
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Solution
The fourth proportional to 29,262,031.92, 40,395,606.84 and 19,488,740.40 is: 26,903,787.72
Step by Step Solution
- Step 1: Write the proportion equation
29,262,031.92 : 40,395,606.84 = 19,488,740.40 : x - Step 2: Convert to fraction form
29,262,031.92/40,395,606.84 = 19,488,740.40/x - Step 3: Cross multiply
29,262,031.92x = 40,395,606.84 × 19,488,740.40 - Step 4: Simplify right side
29,262,031.92x = 787,259,495,005,224.38 - Step 5: Solve for x
x = 787,259,495,005,224.38/29,262,031.92 - Step 6: Final answer
x = 26,903,787.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.