Finding the Fourth Proportional to 26,758,963.19, 36,928,384.25 and 14,998,448.93
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Solution
The fourth proportional to 26,758,963.19, 36,928,384.25 and 14,998,448.93 is: 20,698,428.45
Step by Step Solution
- Step 1: Write the proportion equation
26,758,963.19 : 36,928,384.25 = 14,998,448.93 : x - Step 2: Convert to fraction form
26,758,963.19/36,928,384.25 = 14,998,448.93/x - Step 3: Cross multiply
26,758,963.19x = 36,928,384.25 × 14,998,448.93 - Step 4: Simplify right side
26,758,963.19x = 553,868,484,981,407.19 - Step 5: Solve for x
x = 553,868,484,981,407.19/26,758,963.19 - Step 6: Final answer
x = 20,698,428.45
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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.