Finding the Fourth Proportional to 26,134,983.87, 36,070,792.07 and 15,127,802.62
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Solution
The fourth proportional to 26,134,983.87, 36,070,792.07 and 15,127,802.62 is: 20,878,980.66
Step by Step Solution
- Step 1: Write the proportion equation
26,134,983.87 : 36,070,792.07 = 15,127,802.62 : x - Step 2: Convert to fraction form
26,134,983.87/36,070,792.07 = 15,127,802.62/x - Step 3: Cross multiply
26,134,983.87x = 36,070,792.07 × 15,127,802.62 - Step 4: Simplify right side
26,134,983.87x = 545,671,822,782,021.19 - Step 5: Solve for x
x = 545,671,822,782,021.19/26,134,983.87 - Step 6: Final answer
x = 20,878,980.66
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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.