Finding the Fourth Proportional to 19,748,730, 27,242,272.82 and 11,487,862.92
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Solution
The fourth proportional to 19,748,730, 27,242,272.82 and 11,487,862.92 is: 15,846,866.90
Step by Step Solution
- Step 1: Write the proportion equation
19,748,730 : 27,242,272.82 = 11,487,862.92 : x - Step 2: Convert to fraction form
19,748,730/27,242,272.82 = 11,487,862.92/x - Step 3: Cross multiply
19,748,730x = 27,242,272.82 × 11,487,862.92 - Step 4: Simplify right side
19,748,730x = 312,955,495,785,401.81 - Step 5: Solve for x
x = 312,955,495,785,401.81/19,748,730 - Step 6: Final answer
x = 15,846,866.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.